Helsinki Vantaa Airport is an international airport with three sizable runways of 9,518ft (2.9km), 10,039ft (3km), and 11,483ft (3.5km). It is the largest airport in Finland and the fourth busiest in the Nordic countries. The airport has customs clearance and slots are required. It was elected as the best airport in Northern Europe by Skytrax in 2018. The airport operates 24-hours a day and has two terminals.