European route E40

European route E 40 is the longest European route,[1] more than 8,000 kilometres (4,971 miles) long, connecting Calais in France via Belgium, Germany, Poland, Ukraine, Russia, Kazakhstan, Uzbekistan, Turkmenistan, and Kyrgyzstan, with Ridder in Kazakhstan near the border with Russia and China.

E40
E40 interchange near Bruges, Belgium
Route information
Length	8,641 km (5,369 mi)
Major junctions
West end	E 15 in Calais, France
Major intersections	E 17 in Ghent, Belgium E 19 in Brussels, Belgium E 25 in Liège, Belgium E 35 in Cologne, Germany E 36 in Bolesławiec, Poland E 45 in Kirchheim, Germany E 55 in Dresden, Germany E 65 in Legnica, Poland E 75 in Mysłowice, Poland E 85 in Dubno, Ukraine E 95 in Kyiv, Ukraine E 105 in Kharkiv, Ukraine E 50 in Debaltseve, Ukraine E 119 in Astrakhan, Russia E 123 in Tashkent, Uzbekistan E 125 in Almaty, Kazakhstan
East end	Ridder, Kazakhstan
Location
Countries	France  Belgium  Germany  Poland  Ukraine  Russia  Kazakhstan  Uzbekistan  Turkmenistan  Kyrgyzstan
Highway system
International E-road network

E 40 roadsign in Skołoszów, Poland

A different route connecting Calais and Ridder is about 2,000 kilometres (1,243 miles) shorter, mostly using the E30 via Berlin-Moscow-Omsk. The E40 differs from that route in order to provide additional direct east-west access to Uzbekistan, Turkmenistan, and Kyrgyzstan, which have a combined population base approaching 50 million people as of 2021.