Finnish national road 4

Finnish national road 4 is a highway in Finland. It is the main route from Helsinki to Northern Finland and a major road link in the country. It runs from Erottaja in Helsinki to Sami Bridge in Utsjoki. The road is 1,295 kilometres long, making it Finland's longest highway. The road is also part of the European route E75 and it is a part of TERN; the section between Oulu and Kemi is part of the European route E8.