European route E37

E37
Route information
Length	336 km (209 mi)
Major junctions
From	Bremen (Germany)
To	Cologne (Germany)
Location
Countries	Germany
Highway system
International E-road network A Class B Class

European route E 37 is a series of roads in Germany, part of the United Nations International E-road network.

It runs from Bremen to Cologne (German: Köln), both in Germany.

The route leaves Bremen, where it connects to the E 22, the E 233 and the E 234. It then heads immediately south-west, with the first major settlement it passes through being Osnabrück in the German province of Lower Saxony (German: Niedersachsen), where it links with the European Route E 30. It then heads south, entering North Rhine-Westphalia (German: Nordrhein-Westfalen) and passing through the city of Dortmund and connecting to the E 34, the E 41 and the E 341.

It then heads south through North Rhine-Westphalia, reaching its final destination of Cologne, where it links to the E 29, the E 31, the E 35, and the E 40, enabling travel to France, Luxembourg, the Netherlands, Switzerland, Italy, Belgium, and even as far as Poland and Russia.

Its total length is 336 km (209 mi).