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[2] of the city centre. The airport is the second busiest in Finland after Helsinki-Vantaa Airport, as measured by the number of passengers (ca. 1.1 million in 2018). There are around 20 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.