<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000096289</issuerCik>
        <issuerName>RADIOSHACK CORP</issuerName>
        <issuerTradingSymbol>RSH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207159</rptOwnerCik>
            <rptOwnerName>ROBERTS LEONARD H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>100 THROCKMORTON STREET100 THROCKMORTON</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1800SUITE 1800SUITE 1800</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CHAIRMAN AND CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>COMMON STOCK</value>
                <footnoteId id="F1"/>
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            <deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18103.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66965.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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                <value>2004-06-01</value>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66966.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
                <footnoteId id="F1"/>
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            <transactionDate>
                <value>2004-06-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-06-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>56896.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.88</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>123862.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate>
                <value>2004-06-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>75000.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.18</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48862.00</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>154.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>BY TAX CONDITIONED PLANS</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>93 ISO OPTION - RIGHT TO BUY -94</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.05</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-06-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-06-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1997-10-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2004-10-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>93 NSO OPTION - RIGHT TO BUY -94</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.05</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-06-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-06-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>18103.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1997-10-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2004-10-20</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>93 OPTION - RIGHT TO BUY - NSO95</value>
                <footnoteId id="F1"/>
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                <value>13.88</value>
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            <transactionDate>
                <value>2004-06-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-06-01</value>
            </deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>56896.00</value>
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                <transactionPricePerShare>
                    <value>13.88</value>
                </transactionPricePerShare>
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                    <value>D</value>
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            </exerciseDate>
            <expirationDate>
                <value>2005-10-20</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
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                    <value>56896.00</value>
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                <sharesOwnedFollowingTransaction>
                    <value>121504.00</value>
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            </postTransactionAmounts>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">EXERCISE OF  OPTION GRANTED UNDER THE EXEMPT RADIOSHACK CORPORATION 1993 INCENTIVE STOCK PLAN, SEC. REG. NO. 33-51019.  UNDER THE TERMS OF THE OPTION AGREEMENTS ISO'S ARE EXERCISABLE AS TO 1/3 ON EACH OF THE FIRST THREE ANNIVERSARY DATES OF THE DATE OF GRANT AND NSO'S ARE EXERCISABLE AS TO 1/5 ON EACH OF THE FIRST FIVE ANNIVERSARY DATES OF THE DATE OF GRANT.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>JOHN P. CLARSON BY POWER OF ATTORNEY FOR LEONARD H. ROBERTS</signatureName>
        <signatureDate>2004-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2004-06-01
0
0000096289
RADIOSHACK CORP
RSH
0001207159
ROBERTS LEONARD H
100 THROCKMORTON STREET100 THROCKMORTON
SUITE 1800SUITE 1800SUITE 1800
FORT WORTH
TX
76102
1
1
0
0
CHAIRMAN AND CEO
COMMON STOCK
2004-06-01
2004-06-01
4
M
0
18103.00
11.05
A
66965.00
D
COMMON STOCK
2004-06-01
2004-06-01
4
M
0
1.00
11.05
A
66966.00
D
COMMON STOCK
2004-06-01
2004-06-01
4
M
0
56896.00
13.88
A
123862.00
D
COMMON STOCK
2004-06-01
2004-06-01
4
S
0
75000.00
30.18
D
48862.00
D
COMMON STOCK
154.00
I
BY TAX CONDITIONED PLANS
93 ISO OPTION - RIGHT TO BUY -94
11.05
2004-06-01
2004-06-01
4
M
0
1.00
11.05
D
1997-10-20
2004-10-20
COMMON STOCK
1.00
0.00
D
93 NSO OPTION - RIGHT TO BUY -94
11.05
2004-06-01
2004-06-01
4
M
0
18103.00
11.05
D
1997-10-20
2004-10-20
COMMON STOCK
18103.00
0.00
D
93 OPTION - RIGHT TO BUY - NSO95
13.88
2004-06-01
2004-06-01
4
M
0
56896.00
13.88
D
1998-10-20
2005-10-20
COMMON STOCK
56896.00
121504.00
D
EXERCISE OF  OPTION GRANTED UNDER THE EXEMPT RADIOSHACK CORPORATION 1993 INCENTIVE STOCK PLAN, SEC. REG. NO. 33-51019.  UNDER THE TERMS OF THE OPTION AGREEMENTS ISO'S ARE EXERCISABLE AS TO 1/3 ON EACH OF THE FIRST THREE ANNIVERSARY DATES OF THE DATE OF GRANT AND NSO'S ARE EXERCISABLE AS TO 1/5 ON EACH OF THE FIRST FIVE ANNIVERSARY DATES OF THE DATE OF GRANT.
JOHN P. CLARSON BY POWER OF ATTORNEY FOR LEONARD H. ROBERTS
2004-06-01