<SEC-DOCUMENT>0001209191-23-045645.txt : 20230814
<SEC-HEADER>0001209191-23-045645.hdr.sgml : 20230814
<ACCEPTANCE-DATETIME>20230814163539
ACCESSION NUMBER:		0001209191-23-045645
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230814
FILED AS OF DATE:		20230814
DATE AS OF CHANGE:		20230814

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Adamo Jonathan
		CENTRAL INDEX KEY:			0001987400

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11290
		FILM NUMBER:		231171193

	MAIL ADDRESS:	
		STREET 1:		450 S. ORANGE AVE.
		STREET 2:		SUITE 900
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32801

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NNN REIT, INC.
		CENTRAL INDEX KEY:			0000751364
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				561431377
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		450 S ORANGE AVE
		STREET 2:		SUITE 900
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32801
		BUSINESS PHONE:		407-265-7348

	MAIL ADDRESS:	
		STREET 1:		450 SOUTH ORANGE AVE
		STREET 2:		SUITE 900
		CITY:			ORLANDO
		STATE:			FL
		ZIP:			32801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL RETAIL PROPERTIES, INC.
		DATE OF NAME CHANGE:	20060501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMERCIAL NET LEASE REALTY INC
		DATE OF NAME CHANGE:	19930510

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CNL REALTY INVESTORS INC /DE/
		DATE OF NAME CHANGE:	19930429
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-08-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000751364</issuerCik>
        <issuerName>NNN REIT, INC.</issuerName>
        <issuerTradingSymbol>NNN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001987400</rptOwnerCik>
            <rptOwnerName>Adamo Jonathan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>450 S. ORANGE AVE.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 900</rptOwnerStreet2>
            <rptOwnerCity>ORLANDO</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Portfolio Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-08-14</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2023-08-14</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.66</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64450</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The grant provides for a cliff vesting whereby 100% of the shares will vest at the end of a three year period ending in 2026. The reporting person has voting and dividend rights on all of these shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>\s\Jonathan Adamo</signatureName>
        <signatureDate>2023-08-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
