Elk Hills-Buttonwillow AirportElk Hills-Buttonwillow Airport is a public airport located three miles south of the central business district of Buttonwillow, in Kern County, California, United States. It is mostly used for general aviation.FacilitiesElk Hills-Buttonwillow Airport covers and has one runway: Runway 11/29: 3,260 x 50 ft, surface: asphalt