<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:b593928b-8d8a-4e24-bfda-98ed20342912,g:d02ef90b-3d33-40ea-9177-79c970d67289-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.glpropinc.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="glpi-20250331.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_39de7b38-283e-4d81-a48d-79694dffbfcd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_OtherAssets_39de7b38-283e-4d81-a48d-79694dffbfcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_515ed720-802c-4c57-94f7-976bd93eb727" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_515ed720-802c-4c57-94f7-976bd93eb727" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_dd972104-21dd-47d2-ad2a-c404cae953b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_dd972104-21dd-47d2-ad2a-c404cae953b4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInSalesTypeLeaseBeforeAllowanceForCreditLoss_6ce4dbed-dfeb-4e67-b5bd-7495c3163050" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInSalesTypeLeaseBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_glpi_NetInvestmentInSalesTypeLeaseBeforeAllowanceForCreditLoss_6ce4dbed-dfeb-4e67-b5bd-7495c3163050" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLease_6038df3a-a1c2-4544-b9f0-86d74924ef62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetInvestmentInLease"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_NetInvestmentInLease_6038df3a-a1c2-4544-b9f0-86d74924ef62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_RealEstateLoansNet_b4ee6c2c-b040-4d6d-aae9-249d880d97ba" xlink:href="glpi-20250331.xsd#glpi_RealEstateLoansNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_glpi_RealEstateLoansNet_b4ee6c2c-b040-4d6d-aae9-249d880d97ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_817e710a-b458-42cc-96d2-f7d24aed662b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNet_817e710a-b458-42cc-96d2-f7d24aed662b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_e30bf99a-295a-482c-8e88-ffd02686ccdf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_943a2f57-6050-46dc-b6b1-823994a3cbea" xlink:to="loc_us-gaap_ShortTermInvestments_e30bf99a-295a-482c-8e88-ffd02686ccdf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_da1a8945-6649-406b-92ef-eee9c8372be3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7277b254-2049-42c7-a5c1-374b3aaa0414" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da1a8945-6649-406b-92ef-eee9c8372be3" xlink:to="loc_us-gaap_Liabilities_7277b254-2049-42c7-a5c1-374b3aaa0414" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b5d3ccc8-8057-4f0a-8fea-2f1fab1ded89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_da1a8945-6649-406b-92ef-eee9c8372be3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_b5d3ccc8-8057-4f0a-8fea-2f1fab1ded89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_9af9cfb3-d7f0-423a-87e5-78b4d73708dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_a03c200b-0c96-45e0-9756-dd41ef97cb7b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9af9cfb3-d7f0-423a-87e5-78b4d73708dc" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_a03c200b-0c96-45e0-9756-dd41ef97cb7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_b35fb442-0128-4573-ab9d-8d032b77e3f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9af9cfb3-d7f0-423a-87e5-78b4d73708dc" xlink:to="loc_us-gaap_CommonStockValue_b35fb442-0128-4573-ab9d-8d032b77e3f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9561f6af-2c9c-49d8-a704-0e77fa2f2ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9af9cfb3-d7f0-423a-87e5-78b4d73708dc" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9561f6af-2c9c-49d8-a704-0e77fa2f2ed4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_65fbe69f-6432-4ad3-ad27-ecc9ab1553d4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_9af9cfb3-d7f0-423a-87e5-78b4d73708dc" xlink:to="loc_us-gaap_PreferredStockValue_65fbe69f-6432-4ad3-ad27-ecc9ab1553d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_7493c6db-aa1c-4672-a8ff-b339415e8932" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_FinanceLeaseLiability_7493c6db-aa1c-4672-a8ff-b339415e8932" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_5258b6b2-572f-4008-adee-b9abd49f27ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_OperatingLeaseLiability_5258b6b2-572f-4008-adee-b9abd49f27ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_6369c850-3314-47af-9615-1261f2a6f26e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_6369c850-3314-47af-9615-1261f2a6f26e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_b5370f87-06b0-4f23-9b7b-303cc95a2a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_LongTermDebt_b5370f87-06b0-4f23-9b7b-303cc95a2a4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_092c652c-22da-4717-b094-fc9a73362237" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_ContractWithCustomerLiability_092c652c-22da-4717-b094-fc9a73362237" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_fca998fd-813e-4b4d-8010-c6ac6222e174" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_fca998fd-813e-4b4d-8010-c6ac6222e174" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_7a5caa6c-9165-4ccf-acaf-546c1e23f9ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_OtherLiabilities_7a5caa6c-9165-4ccf-acaf-546c1e23f9ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_84ddab56-a5f6-4bc8-9453-e02c5dc7b5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_77352366-9bd1-4f83-9b52-3dce41ff12ba" xlink:to="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_84ddab56-a5f6-4bc8-9453-e02c5dc7b5ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_330cc275-d355-44bc-883c-e2a3b99c4eaf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_7b5b02b2-b893-42e4-9c3b-cdb51ff98474" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_330cc275-d355-44bc-883c-e2a3b99c4eaf" xlink:to="loc_us-gaap_StockholdersEquity_7b5b02b2-b893-42e4-9c3b-cdb51ff98474" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestInOperatingPartnerships_7b53edbd-d93e-4e6f-bc04-873653b1b487" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestInOperatingPartnerships"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_330cc275-d355-44bc-883c-e2a3b99c4eaf" xlink:to="loc_us-gaap_MinorityInterestInOperatingPartnerships_7b53edbd-d93e-4e6f-bc04-873653b1b487" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="simple" xlink:href="glpi-20250331.xsd#CondensedConsolidatedStatementsofIncome"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/CondensedConsolidatedStatementsofIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_16bd4de7-1bb9-47ff-b469-f7e6cda841a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_215bb6d0-d61a-4cd9-a90a-5d126983f497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_16bd4de7-1bb9-47ff-b469-f7e6cda841a6" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_215bb6d0-d61a-4cd9-a90a-5d126983f497" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable_c63abe0b-e0f3-4f93-b697-a5bd71615c89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_16bd4de7-1bb9-47ff-b469-f7e6cda841a6" xlink:to="loc_us-gaap_SalesTypeLeaseInterestIncomeLeaseReceivable_c63abe0b-e0f3-4f93-b697-a5bd71615c89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansCommercialRealEstate_2c1ea316-60d0-48ac-b10f-a5b59e5ab807" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndFeeIncomeLoansCommercialRealEstate"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_16bd4de7-1bb9-47ff-b469-f7e6cda841a6" xlink:to="loc_us-gaap_InterestAndFeeIncomeLoansCommercialRealEstate_2c1ea316-60d0-48ac-b10f-a5b59e5ab807" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndFeeIncomeLoansRealEstateConstruction_4f9d52a2-a101-478b-990e-5573f31d9dfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestAndFeeIncomeLoansRealEstateConstruction"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_16bd4de7-1bb9-47ff-b469-f7e6cda841a6" xlink:to="loc_us-gaap_InterestAndFeeIncomeLoansRealEstateConstruction_4f9d52a2-a101-478b-990e-5573f31d9dfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_1d7ee91e-0c37-453d-9864-e83abc781b7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_1d7ee91e-0c37-453d-9864-e83abc781b7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_69c37baa-8f95-4bb8-bf1f-b8b509c69964" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_69c37baa-8f95-4bb8-bf1f-b8b509c69964" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_573d3249-822d-4d91-8d77-ccf1348e1ecb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:to="loc_us-gaap_Depreciation_573d3249-822d-4d91-8d77-ccf1348e1ecb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_LandRightsandGroundLeaseExpense_fe8eea39-e321-47b9-bd99-44a19d6eeb79" xlink:href="glpi-20250331.xsd#glpi_LandRightsandGroundLeaseExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:to="loc_glpi_LandRightsandGroundLeaseExpense_fe8eea39-e321-47b9-bd99-44a19d6eeb79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_601528db-0135-4470-b956-6d37dc6bb3bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_dac0eb26-1d7d-4e34-992e-b7f7cc07e3f0" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_601528db-0135-4470-b956-6d37dc6bb3bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_dd1f709a-cd46-47eb-b79f-6b3503687068" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncome_fac856b6-e01a-4c9d-9950-01b5cd6698df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_dd1f709a-cd46-47eb-b79f-6b3503687068" xlink:to="loc_us-gaap_OtherNonoperatingIncome_fac856b6-e01a-4c9d-9950-01b5cd6698df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_18c52df8-4e88-40b7-aad5-b4e749b61d2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_dd1f709a-cd46-47eb-b79f-6b3503687068" xlink:to="loc_us-gaap_InterestExpenseNonoperating_18c52df8-4e88-40b7-aad5-b4e749b61d2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_5859b6da-3653-4ea3-950c-6f7898cc14b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ea133eee-d160-4205-9e3d-4c054db90580" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_5859b6da-3653-4ea3-950c-6f7898cc14b3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ea133eee-d160-4205-9e3d-4c054db90580" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_6d408441-6127-4ada-93ee-3e7d24cf0eef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_5859b6da-3653-4ea3-950c-6f7898cc14b3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_6d408441-6127-4ada-93ee-3e7d24cf0eef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac3adb87-fc46-4453-891a-d85857b198e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01d3adb0-cda9-491b-aecc-33698a2998e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac3adb87-fc46-4453-891a-d85857b198e6" xlink:to="loc_us-gaap_OperatingIncomeLoss_01d3adb0-cda9-491b-aecc-33698a2998e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_33fc4069-9d7c-4628-95c5-039990cb1783" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ac3adb87-fc46-4453-891a-d85857b198e6" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_33fc4069-9d7c-4628-95c5-039990cb1783" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_1258336f-96ab-43df-adda-3d80611ca8e3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_ef64ea5c-d2ce-4c41-b87a-54f731647255" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1258336f-96ab-43df-adda-3d80611ca8e3" xlink:to="loc_us-gaap_ProfitLoss_ef64ea5c-d2ce-4c41-b87a-54f731647255" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_76045902-042a-4cd3-a3db-945c8edaf6c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_1258336f-96ab-43df-adda-3d80611ca8e3" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_76045902-042a-4cd3-a3db-945c8edaf6c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_65f6ebd2-d21d-4671-bd07-2613986e122e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_a249b655-b1e1-4ee9-b17c-d7aedeb588fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_65f6ebd2-d21d-4671-bd07-2613986e122e" xlink:to="loc_us-gaap_CostsAndExpenses_a249b655-b1e1-4ee9-b17c-d7aedeb588fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_a434f72e-2607-4e72-808d-cb68a610e910" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_65f6ebd2-d21d-4671-bd07-2613986e122e" xlink:to="loc_us-gaap_Revenues_a434f72e-2607-4e72-808d-cb68a610e910" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="glpi-20250331.xsd#CondensedConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f84e483f-2018-43e8-91fd-9cb547c5f763" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f4fe2af4-0304-4467-9f42-1d1023797485" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f84e483f-2018-43e8-91fd-9cb547c5f763" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f4fe2af4-0304-4467-9f42-1d1023797485" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_30cf3c23-4a57-429a-bec6-37dd8e18fb4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f84e483f-2018-43e8-91fd-9cb547c5f763" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_30cf3c23-4a57-429a-bec6-37dd8e18fb4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7cd8c10-6d3c-4d34-9aae-0e2da1b95b29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f84e483f-2018-43e8-91fd-9cb547c5f763" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7cd8c10-6d3c-4d34-9aae-0e2da1b95b29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForCapitalImprovements_43850f00-e2ea-4822-a9f2-6ba24ae4bc11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForCapitalImprovements"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_us-gaap_PaymentsForCapitalImprovements_43850f00-e2ea-4822-a9f2-6ba24ae4bc11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_1fc69ac7-7ce8-407e-a4c7-7558629cd7c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_1fc69ac7-7ce8-407e-a4c7-7558629cd7c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_PaymentsForOriginationOfRealEstateLoans_a62d4aae-f444-4176-a382-5505904f6c58" xlink:href="glpi-20250331.xsd#glpi_PaymentsForOriginationOfRealEstateLoans"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_glpi_PaymentsForOriginationOfRealEstateLoans_a62d4aae-f444-4176-a382-5505904f6c58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_PaymentsForInvestmentInLeases_c537e9a5-b71e-4975-8880-00f5ca85c0c2" xlink:href="glpi-20250331.xsd#glpi_PaymentsForInvestmentInLeases"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_glpi_PaymentsForInvestmentInLeases_c537e9a5-b71e-4975-8880-00f5ca85c0c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_a0387483-c49d-4bf3-9f0b-db9510fec9d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireHeldToMaturitySecurities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_us-gaap_PaymentsToAcquireHeldToMaturitySecurities_a0387483-c49d-4bf3-9f0b-db9510fec9d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_179270e6-e933-4291-8d68-1edbf7e9b36c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_179270e6-e933-4291-8d68-1edbf7e9b36c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_709b9d5d-f3c1-44d8-9b0b-021ecaceca84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_616e5588-9dd1-411e-ac5f-4168bc94b98d" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities_709b9d5d-f3c1-44d8-9b0b-021ecaceca84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_b170f86f-7ac4-4ca4-8f66-78bdca806aaf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_us-gaap_PaymentsOfDividends_b170f86f-7ac4-4ca4-8f66-78bdca806aaf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_7c43f6e6-e297-4676-b426-38dd43a7e3b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_7c43f6e6-e297-4676-b426-38dd43a7e3b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_ATMProgramofferingcosts_8ad1b98a-f33d-4b5c-a31b-4a539c9248a9" xlink:href="glpi-20250331.xsd#glpi_ATMProgramofferingcosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_glpi_ATMProgramofferingcosts_8ad1b98a-f33d-4b5c-a31b-4a539c9248a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_03457776-4bae-478c-b912-374a01b33055" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_03457776-4bae-478c-b912-374a01b33055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_ProceedsRepaymentsRelatedtoTaxWithholdingOnRestrictedStockAwardVestingsNetofProceedsfromExerciseofOptions_15f39049-e400-443d-843e-0f86d3119d86" xlink:href="glpi-20250331.xsd#glpi_ProceedsRepaymentsRelatedtoTaxWithholdingOnRestrictedStockAwardVestingsNetofProceedsfromExerciseofOptions"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_glpi_ProceedsRepaymentsRelatedtoTaxWithholdingOnRestrictedStockAwardVestingsNetofProceedsfromExerciseofOptions_15f39049-e400-443d-843e-0f86d3119d86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_PaymentsOfFinancingCostsNet_ab8fc3bb-e69b-4371-943b-2797f29783c3" xlink:href="glpi-20250331.xsd#glpi_PaymentsOfFinancingCostsNet"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_21a440ba-6906-4b36-b0cf-34be5f1f0c6b" xlink:to="loc_glpi_PaymentsOfFinancingCostsNet_ab8fc3bb-e69b-4371-943b-2797f29783c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_7d48a697-4280-496d-93f8-190ca392ef4a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_IncreaseDecreaseInInterestPayableNet_7d48a697-4280-496d-93f8-190ca392ef4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_43b5be55-e0fb-40ee-8234-4c1791425243" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_43b5be55-e0fb-40ee-8234-4c1791425243" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_6142ddfe-cff6-4f26-b809-50a8b06deadb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_ShareBasedCompensation_6142ddfe-cff6-4f26-b809-50a8b06deadb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_cbece93b-e20e-4175-adb8-3822d3a94520" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_cbece93b-e20e-4175-adb8-3822d3a94520" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_f69e399b-6c79-4812-a647-56482855913f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_f69e399b-6c79-4812-a647-56482855913f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_39686ca2-bb6c-4577-bd9e-e23aa226ac3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_ProfitLoss_39686ca2-bb6c-4577-bd9e-e23aa226ac3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_00540b49-507b-4f4b-964e-3fba3845e5ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_00540b49-507b-4f4b-964e-3fba3845e5ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_3e79fb07-3e5d-4cfc-acfa-0348763464f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_3e79fb07-3e5d-4cfc-acfa-0348763464f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_InterestIncomePaidinkind_6a4c3c54-7d2e-4d10-8bfc-16b7b281586b" xlink:href="glpi-20250331.xsd#glpi_InterestIncomePaidinkind"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_glpi_InterestIncomePaidinkind_6a4c3c54-7d2e-4d10-8bfc-16b7b281586b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable_1d5c06ac-b33c-4a9d-b0ad-4c4469ea7d9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable_1d5c06ac-b33c-4a9d-b0ad-4c4469ea7d9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6a65d9b2-98af-46b6-83ea-37eacc308806" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6a65d9b2-98af-46b6-83ea-37eacc308806" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StraightLineRentAdjustments_a6256209-7e28-4121-861f-afc522a5504a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StraightLineRentAdjustments"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_StraightLineRentAdjustments_a6256209-7e28-4121-861f-afc522a5504a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_bf41f338-5893-4f8a-b7a9-33c041b6c1d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_ProvisionForLoanLeaseAndOtherLosses_bf41f338-5893-4f8a-b7a9-33c041b6c1d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_FinanceLeaseLiabilityNonCashAdjustment_1085ef52-d807-493f-af58-1925b5c644c1" xlink:href="glpi-20250331.xsd#glpi_FinanceLeaseLiabilityNonCashAdjustment"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_glpi_FinanceLeaseLiabilityNonCashAdjustment_1085ef52-d807-493f-af58-1925b5c644c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_f028034a-f7cc-40b4-be36-f3a9e81a2a79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eaaf4a47-3acb-4e9f-830c-b1fd42eef2c2" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_f028034a-f7cc-40b4-be36-f3a9e81a2a79" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetSummaryofCompanysInvestmentinLeasesDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#InvestmentinleasesfinancingreceivablesnetSummaryofCompanysInvestmentinLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetSummaryofCompanysInvestmentinLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss_6421cb3d-b2b0-43b5-931c-5b970f5c0688" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_da6b93c8-5676-4d73-bf41-75df811ad146" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss_6421cb3d-b2b0-43b5-931c-5b970f5c0688" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_da6b93c8-5676-4d73-bf41-75df811ad146" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLease_e2b58cc8-4063-4a3c-a9e3-78c3924e99cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DirectFinancingLeaseNetInvestmentInLease"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss_6421cb3d-b2b0-43b5-931c-5b970f5c0688" xlink:to="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLease_e2b58cc8-4063-4a3c-a9e3-78c3924e99cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_FinancingReceivableContractWithCustomerLiability_9c964f83-2b38-45c6-b68c-44727837642b" xlink:href="glpi-20250331.xsd#glpi_FinancingReceivableContractWithCustomerLiability"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss_6421cb3d-b2b0-43b5-931c-5b970f5c0688" xlink:to="loc_glpi_FinancingReceivableContractWithCustomerLiability_9c964f83-2b38-45c6-b68c-44727837642b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetMaturityDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#InvestmentinleasesfinancingreceivablesnetMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_0da5ed91-a6d6-4926-8513-972621fe6759" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears_0da5ed91-a6d6-4926-8513-972621fe6759" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_47aa15f7-742b-42bd-b708-8726c347813d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths_47aa15f7-742b-42bd-b708-8726c347813d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_f0ef4412-9f1d-47cc-86ed-1a757aaf17f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears_f0ef4412-9f1d-47cc-86ed-1a757aaf17f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear_e96a96e5-9daf-4a65-80db-94677aa2c023" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear_e96a96e5-9daf-4a65-80db-94677aa2c023" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_SalesTypeAndDirectFinancingLeasesLeaseReceivableToBeReceivedAfterYearFour_c248d9a6-7429-4d5d-93f4-7469a0ec722f" xlink:href="glpi-20250331.xsd#glpi_SalesTypeAndDirectFinancingLeasesLeaseReceivableToBeReceivedAfterYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_glpi_SalesTypeAndDirectFinancingLeasesLeaseReceivableToBeReceivedAfterYearFour_c248d9a6-7429-4d5d-93f4-7469a0ec722f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_8844e108-ffb3-42ac-858c-2b5aa6789a36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived_487eb82e-06f6-4a4e-a901-0b2ad477a15f" xlink:to="loc_us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears_8844e108-ffb3-42ac-858c-2b5aa6789a36" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetSummaryofAmortizedCostBasisofCompanysInvestmentInLeasesbyYearofOriginationDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#InvestmentinleasesfinancingreceivablesnetSummaryofAmortizedCostBasisofCompanysInvestmentInLeasesbyYearofOriginationDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/InvestmentinleasesfinancingreceivablesnetSummaryofAmortizedCostBasisofCompanysInvestmentInLeasesbyYearofOriginationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableAmortizedCost_0a8b3c76-8654-42c5-8221-b67fe14c1548" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableAllowanceForCreditLoss_f8adb320-6a79-472f-b42c-f1d1379ebc83" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableAmortizedCost_0a8b3c76-8654-42c5-8221-b67fe14c1548" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableAllowanceForCreditLoss_f8adb320-6a79-472f-b42c-f1d1379ebc83" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableBeforeAllowanceForCreditLoss_36dd86b7-8bcb-44e7-ae18-73d7df3f645c" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableBeforeAllowanceForCreditLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableAmortizedCost_0a8b3c76-8654-42c5-8221-b67fe14c1548" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableBeforeAllowanceForCreditLoss_36dd86b7-8bcb-44e7-ae18-73d7df3f645c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAmortizedCost_88398f03-65b5-4a43-b04e-96da93086bdc" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAmortizedCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAllowanceForCreditLoss_8273a96a-6ace-44ed-85be-fa34a81519c6" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAmortizedCost_88398f03-65b5-4a43-b04e-96da93086bdc" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAllowanceForCreditLoss_8273a96a-6ace-44ed-85be-fa34a81519c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_264567b7-1436-49aa-823b-443db3515025" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearAmortizedCost_88398f03-65b5-4a43-b04e-96da93086bdc" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_264567b7-1436-49aa-823b-443db3515025" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_2d87546a-fb7d-4c27-bee3-f6536b746961" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAmortizedCosts"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginateThreeYearsPriorToCurrentFiscalYear_a87db621-b05b-4882-a43f-b8d82d5377cf" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginateThreeYearsPriorToCurrentFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_2d87546a-fb7d-4c27-bee3-f6536b746961" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginateThreeYearsPriorToCurrentFiscalYear_a87db621-b05b-4882-a43f-b8d82d5377cf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss_5789f2e5-4413-46e8-bbb3-5b0d65da054f" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_2d87546a-fb7d-4c27-bee3-f6536b746961" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearFourOriginatedThreeFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss_5789f2e5-4413-46e8-bbb3-5b0d65da054f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_850d061a-62cf-47bd-b6dc-8a3775f01a06" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAmortizedCosts"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss_6f9b5334-3180-4768-a669-aaf38dd32a25" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_850d061a-62cf-47bd-b6dc-8a3775f01a06" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAllowanceForCreditLoss_6f9b5334-3180-4768-a669-aaf38dd32a25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginateTwoYearsPriorToCurrentFiscalYear_21277259-cae2-4d8a-8060-d1486b2d2afe" xlink:href="glpi-20250331.xsd#glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginateTwoYearsPriorToCurrentFiscalYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginatedTwoFiscalYearsBeforeCurrentFiscalYearAmortizedCosts_850d061a-62cf-47bd-b6dc-8a3775f01a06" xlink:to="loc_glpi_NetInvestmentInLeaseAndFinancingReceivableYearThreeOriginateTwoYearsPriorToCurrentFiscalYear_21277259-cae2-4d8a-8060-d1486b2d2afe" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/RealEstateInvestmentsDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#RealEstateInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/RealEstateInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_8194ddef-f2c0-421e-b32b-4ee9d63572d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_30c541b1-44e1-436e-8f76-6bc59c3e908f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RealEstateInvestmentPropertyAtCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_8194ddef-f2c0-421e-b32b-4ee9d63572d9" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAtCost_30c541b1-44e1-436e-8f76-6bc59c3e908f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_6074e55f-a0c6-4f41-8dec-eb2116db232f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_8194ddef-f2c0-421e-b32b-4ee9d63572d9" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_6074e55f-a0c6-4f41-8dec-eb2116db232f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/RealEstateLoansnetDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#RealEstateLoansnetDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/RealEstateLoansnetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_glpi_RealEstateLoansNet_856ea695-01e7-4892-8b45-09082f598630" xlink:href="glpi-20250331.xsd#glpi_RealEstateLoansNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_1c35f560-9137-4b0a-bd1e-71b6445a0067" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_RealEstateLoansNet_856ea695-01e7-4892-8b45-09082f598630" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses_1c35f560-9137-4b0a-bd1e-71b6445a0067" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_RealEstateLoans_6575f199-ae85-4457-aae7-f800b3f1862b" xlink:href="glpi-20250331.xsd#glpi_RealEstateLoans"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_RealEstateLoansNet_856ea695-01e7-4892-8b45-09082f598630" xlink:to="loc_glpi_RealEstateLoans_6575f199-ae85-4457-aae7-f800b3f1862b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_6c57fc67-1542-445b-b9f2-74104b2ae8cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_6c57fc67-1542-445b-b9f2-74104b2ae8cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_33c627e5-4458-47bd-8127-8b0dfd263621" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_33c627e5-4458-47bd-8127-8b0dfd263621" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_35f0d297-f650-4715-925c-ea40e610e409" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_35f0d297-f650-4715-925c-ea40e610e409" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_51e49ace-8f09-4c24-856c-9b242ed57abd" xlink:href="glpi-20250331.xsd#glpi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_glpi_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_51e49ace-8f09-4c24-856c-9b242ed57abd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_9a066c2e-b79c-4226-af60-5875b5be4e38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_9a066c2e-b79c-4226-af60-5875b5be4e38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2079eda0-5b4c-4a41-b0b0-e644cedb1405" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0860ede2-cbc4-4f9d-bfc4-14cbe6d95e5f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_2079eda0-5b4c-4a41-b0b0-e644cedb1405" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails_1" xlink:type="simple" xlink:href="glpi-20250331.xsd#LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails_1"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLIabilitiesLandRightsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0d2cc026-e543-4507-b643-2c71877355d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8ff12af9-47c8-4cee-915e-c509f883f8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0d2cc026-e543-4507-b643-2c71877355d8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8ff12af9-47c8-4cee-915e-c509f883f8ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_201a5821-b5e3-4b11-b2eb-2a3d32ab3b58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_0d2cc026-e543-4507-b643-2c71877355d8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_201a5821-b5e3-4b11-b2eb-2a3d32ab3b58" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_be5943d7-3d17-4a78-93be-6a7d68df4da3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_0b9be70b-ea8d-4acd-83dc-8fa0bf6278df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_be5943d7-3d17-4a78-93be-6a7d68df4da3" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_0b9be70b-ea8d-4acd-83dc-8fa0bf6278df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_34d07c2b-775b-442c-a9e0-ee3e52a81383" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_be5943d7-3d17-4a78-93be-6a7d68df4da3" xlink:to="loc_us-gaap_OperatingLeaseLiability_34d07c2b-775b-442c-a9e0-ee3e52a81383" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails_1" xlink:type="simple" xlink:href="glpi-20250331.xsd#LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails_1"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesLeaseMaturityScheduleDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_bc418839-035a-4a08-ae02-bb0b6a9d4839" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_bc418839-035a-4a08-ae02-bb0b6a9d4839" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6587804c-523d-4777-855b-84103a67e3a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6587804c-523d-4777-855b-84103a67e3a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_b21d5be9-e0de-442d-ba1a-3a3d60ab5593" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_b21d5be9-e0de-442d-ba1a-3a3d60ab5593" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_d768d3d8-ba8f-484a-bc69-38951ad1ce37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_d768d3d8-ba8f-484a-bc69-38951ad1ce37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_7577d514-872e-438b-8cab-674efaabb6eb" xlink:href="glpi-20250331.xsd#glpi_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_glpi_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_7577d514-872e-438b-8cab-674efaabb6eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_0346fc6b-b191-446a-885b-5f96e72a7889" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_63ecfd2e-05ca-4077-bae5-7b3e1ee6aea7" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_0346fc6b-b191-446a-885b-5f96e72a7889" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LeaseAssetsandLeaseLiabilitiesLeaseAssetsandLeaseLiabilitiesComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_a2b35436-9a99-4c1f-83d7-ab957f4b1cf2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_e4bc9244-7621-4152-a823-cf6a9c676f0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_a2b35436-9a99-4c1f-83d7-ab957f4b1cf2" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_e4bc9244-7621-4152-a823-cf6a9c676f0e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LongtermDebtScheduleofDebtDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#LongtermDebtScheduleofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LongtermDebtScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_2381e14e-3065-4062-85ed-b54d60ccd7ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_LongTermDebtGrossandLeaseObligations_4046aa68-26cd-483f-bed6-cff3f3bafb26" xlink:href="glpi-20250331.xsd#glpi_LongTermDebtGrossandLeaseObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_2381e14e-3065-4062-85ed-b54d60ccd7ab" xlink:to="loc_glpi_LongTermDebtGrossandLeaseObligations_4046aa68-26cd-483f-bed6-cff3f3bafb26" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_766a3ae5-48ce-489f-bc0b-671bdfdc42dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_2381e14e-3065-4062-85ed-b54d60ccd7ab" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_766a3ae5-48ce-489f-bc0b-671bdfdc42dc" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/LongtermDebtMaturitiesofLongTermDebtDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#LongtermDebtMaturitiesofLongTermDebtDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/LongtermDebtMaturitiesofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:href="glpi-20250331.xsd#glpi_LongTermDebtGrossandLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_LongTermDebtMaturityAfterYearFour_9794a6ca-bd91-4583-a521-e57762a2b67c" xlink:href="glpi-20250331.xsd#glpi_LongTermDebtMaturityAfterYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_glpi_LongTermDebtMaturityAfterYearFour_9794a6ca-bd91-4583-a521-e57762a2b67c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1fbc24cb-589a-4df8-b15a-9cbe45d71960" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1fbc24cb-589a-4df8-b15a-9cbe45d71960" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_b7d813aa-3719-4b9b-b46a-31a6fdd880de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_b7d813aa-3719-4b9b-b46a-31a6fdd880de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0e1aedbd-dfd5-4e92-905b-2a8321b9f645" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_0e1aedbd-dfd5-4e92-905b-2a8321b9f645" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_e500c1e8-c6d3-49f2-bf30-feab70e0c3fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_e500c1e8-c6d3-49f2-bf30-feab70e0c3fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5823f536-1058-4015-a3f1-56cdaf14ccd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_glpi_LongTermDebtGrossandLeaseObligations_eef86af7-1ae2-411c-89a1-015f7a3aa583" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5823f536-1058-4015-a3f1-56cdaf14ccd7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/RevenueRecognitionRentalIncomeTableDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#RevenueRecognitionRentalIncomeTableDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/RevenueRecognitionRentalIncomeTableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_8e524a62-c708-40de-aabb-41f3d8986558" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_OperatingLeaseCashRentReceived_c6053d60-827b-416f-9841-e2550c8b809c" xlink:href="glpi-20250331.xsd#glpi_OperatingLeaseCashRentReceived"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_8e524a62-c708-40de-aabb-41f3d8986558" xlink:to="loc_glpi_OperatingLeaseCashRentReceived_c6053d60-827b-416f-9841-e2550c8b809c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StraightLineRentAdjustments_39f2e72c-5a4a-403b-ae5f-5bcad62df37c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StraightLineRentAdjustments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_8e524a62-c708-40de-aabb-41f3d8986558" xlink:to="loc_us-gaap_StraightLineRentAdjustments_39f2e72c-5a4a-403b-ae5f-5bcad62df37c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_glpi_OperatingLeaseGroundLeaseIncome_1bf61b68-9056-4fb8-8c69-aede3f335967" xlink:href="glpi-20250331.xsd#glpi_OperatingLeaseGroundLeaseIncome"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_8e524a62-c708-40de-aabb-41f3d8986558" xlink:to="loc_glpi_OperatingLeaseGroundLeaseIncome_1bf61b68-9056-4fb8-8c69-aede3f335967" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_942be937-921d-4094-895e-b681a04f9cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInFinanceReceivables"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_8e524a62-c708-40de-aabb-41f3d8986558" xlink:to="loc_us-gaap_IncreaseDecreaseInFinanceReceivables_942be937-921d-4094-895e-b681a04f9cd2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.glpropinc.com/role/EarningsperShareEarningsperShareEPSCalculationsDetails" xlink:type="simple" xlink:href="glpi-20250331.xsd#EarningsperShareEarningsperShareEPSCalculationsDetails"/>
  <link:calculationLink xlink:role="http://www.glpropinc.com/role/EarningsperShareEarningsperShareEPSCalculationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2ac2e924-a14d-4ff5-bf18-0b1a10cf378b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_0d3752f1-73d1-4c3b-b1a1-0dee1f877fba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2ac2e924-a14d-4ff5-bf18-0b1a10cf378b" xlink:to="loc_us-gaap_NetIncomeLoss_0d3752f1-73d1-4c3b-b1a1-0dee1f877fba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_856e8b30-b11b-4359-9266-3dd0f7582f93" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_2ac2e924-a14d-4ff5-bf18-0b1a10cf378b" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic_856e8b30-b11b-4359-9266-3dd0f7582f93" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
