European route E45 connects Norway and Italy, through Finland, Sweden, Denmark, Germany and Austria. With a length of about 5,190 kilometres (3,225 mi), it is the longest north–south European route (some east–west routes are longer).
The route passes through Alta (Norway) – Kautokeino – Hetta (Finland) – Palojoensuu – Kaaresuvanto – Gällivare (Sweden) – Porjus – Jokkmokk – Arvidsjaur – Östersund – Mora – Säffle – Åmål – Brålanda – Gothenburg ... Frederikshavn (Denmark) – Aalborg – Randers – Aarhus – Skanderborg – Vejle – Kolding – Frøslev – Flensburg (Germany) – Hamburg – Hanover – Hildesheim – Göttingen – Kassel – Fulda – Würzburg – Nuremberg – Munich – Rosenheim – Wörgl (Austria) – Innsbruck – Brenner – Fortezza (Italy) – Bolzano – Trento – Verona – Modena – Bologna – Cesena – Perugia – Fiano Romano – Naples – Salerno – Sicignano – Cosenza – Villa San Giovanni ... Messina – Catania – Siracusa – Gela.
