United States securities and exchange commission logo February 23, 2022 Adam Satterfield Chief Financial Officer Old Dominion Freight Line, Inc. 500 Old Dominion Way Thomasville, NC 27360 Re: Old Dominion Freight Line, Inc. Form 10-K for the Fiscal Year Ended December 31, 2020 Filed February 24, 2021 File No. 000-19582 Dear Mr. Satterfield: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Energy & Transportation