    <SEC-DOCUMENT>0001564590-21-019440-index.html : 20210419
    <SEC-HEADER>0001564590-21-019440.hdr.sgml : 20210419
    <ACCEPTANCE-DATETIME>20210419170045
    ACCESSION NUMBER:		0001564590-21-019440
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20210519
    FILED AS OF DATE:		20210419
    DATE AS OF CHANGE:		20210419

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OLD DOMINION FREIGHT LINE, INC.
    		CENTRAL INDEX KEY:			0000878927
    		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCKING (NO LOCAL) [4213]
    		IRS NUMBER:				560751714
    		STATE OF INCORPORATION:			VA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-19582
    		FILM NUMBER:		21835263

    	BUSINESS ADDRESS:
    		STREET 1:		500 OLD DOMINION WAY
    		CITY:			THOMASVILLE
    		STATE:			NC
    		ZIP:			27360
    		BUSINESS PHONE:		3368895000

    	MAIL ADDRESS:
    		STREET 1:		500 OLD DOMINION WAY
    		CITY:			THOMASVILLE
    		STATE:			NC
    		ZIP:			27360

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OLD DOMINION FREIGHT LINE INC/VA
    		DATE OF NAME CHANGE:	19930328
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>odfl-def14a_20210519.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: odfl-def14a_20210519.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>gl3lefss1spt000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: gl3lefss1spt000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>gl3lefss1spt000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: gl3lefss1spt000003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>gl3lefss1spt000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: gl3lefss1spt000001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>gl3lefss1spt000004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: gl3lefss1spt000004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>gl3lefss1spt000005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: gl3lefss1spt000005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>gmljvfxqe5jg000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: gmljvfxqe5jg000001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>