Columbia Regional Airport (IATA: COU, ICAO: KCOU, FAA LID: COU) is a city owned, public use airport located 10 nautical miles (12 mi, 19 km) southeast of the central business district of Columbia, a city in Boone County, Missouri, United States. The airport is served by one commercial airline and also provides general aviation services. Airport officials have created a plan to extend the 6,500 foot runway, and to construct a new terminal. The runway will be extended first.