United States securities and exchange commission logo May 14, 2020 Mindy K. West Executive Vice President, Fuels and Chief Financial Officer Murphy USA Inc. 200 Peach Street El Dorado, Arkansas 71730 Re: Murphy USA Inc. Form 10-K for the Year Ended December 31, 2019 Filed February 18, 2020 File No. 001-35914 Dear Ms. West: 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 Trade & Services