Oulu Airport (IATA: OUL, ICAO: EFOU; Finnish: Oulun lentoasema, Swedish: Uleåborgs flygplats) is located in Oulu, Finland, 5.7 NM (10.6 km; 6.6 mi) south-west of the city centre. The airport is the third busiest airport in Finland after Helsinki-Vantaa and Rovaniemi airport, as measured by the number of passengers and landings. There are around 10 daily flights to Helsinki. Oulu Airport is also extensively used by the Finnish Air Force for training purposes and the managing body of the airport is Finavia. Oulu Airport has offered free wireless network access for passengers since May 2007.