The European route E8 is a European route that runs between Tromsø, Norway and Turku, Finland.

The length of the route is 1,410 kilometres (880 mi).

In the older E-road system that was used from 1950 to 1985 (in the Nordic countries until 1992), the E8 went London – Colchester – Harwich – ferry connection – Hook of Holland – The Hague – Utrecht – Oeynhausen – Hanover – Berlin – Poznań – Krośniewice – Łowicz – Warsaw – USSR border[1] (Brest).

[2] The current E8 route was introduced in early 1990s between Tromsø and Tornio[3] and extended from Tornio to Turku in 2001.

[3] In the older E road system it had been called E78 since 1962.