The European route E8 is a European route that runs between Tromsø, Norway and Turku, Finland. The length of the route is .
In the older E-road system that was used from 1950 to 1985 (in the Nordic countries until 1992), the E8 went London â Colchester â Harwich â ferry connection â Hook of Holland â The Hague â Utrecht â Oeynhausen â Hanover â Berlin â Poznaà  â Kroà Âniewice â à Âowicz â Warsaw â USSR border (Brest). It connected with E1, E2, E5, E31, E107, E108 and E113 routes.
The current E8 route was introduced in early 1990s between Tromsø and Tornio and extended from Tornio to Turku in 2001. In the older E road system it had been called E78 since 1962.