Kirksville Regional Airport (IATA: IRK, ICAO: KIRK, FAA LID: IRK) is a city owned, public use airport located six nautical miles (7 mi, 11 km) southeast of the central business district of Kirksville, a city in Benton Township, Adair County, Missouri, United States. The airport is situated in Pettis Township, near the village of Millard.