E121
Route information
Length	4,480 km (2,780 mi)
Major junctions
North-West end	Samara, Russia
Major intersections	Oral Atyrau Beyneu Türkmenbaşy
South-East end	Gyzylarbat, Turkmenistan
Location
Countries	Russia  Kazakhstan  Turkmenistan
Highway system
International E-road network A Class B Class

European Route E121 is a European A class road in Russia, Kazakhstan and Turkmenistan, connecting the cities Samara - Oral - Atyrau - Beyneu - Türkmenbaşy

 Russia

• A 300 Samara - Bol'shaya Chernigovka -  Russia/ Kazakhstan border

 Kazakhstan

• Oral - Atyrau - Beyneu - Shetpe - Zhetybay

 Turkmenistan

• Garabogaz - Türkmenbaşy - Gyzylarbat -  Turkmenistan/ Iran border

• UN Economic Commission for Europe: Overall Map of E-road Network (2007)