European route E40

European route E40 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	E15 in Calais, France
Major intersections	E17 in Ghent, Belgium E19 in Brussels, Belgium E25 in Liège, Belgium E35 in Cologne, Germany E36 in Bolesławiec, Poland E45 in Kirchheim, Germany E55 in Dresden, Germany E65 in Legnica, Poland E75 in Mysłowice, Poland E85 in Dubno, Ukraine E95 in Kyiv, Ukraine E105 in Kharkiv, Ukraine E50 in Debaltseve, Ukraine E119 in Astrakhan, Russia E123 in Tashkent, Uzbekistan E125 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 A Class B Class

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.