Oka River
River in Russia
The Oka is a river in central Russia, the largest right tributary of the Volga. It flows through the regions of Oryol, Tula, Kaluga, Moscow, Ryazan, Vladimir and Nizhny Novgorod and is navigable over a large part of its total length, as far... Wikipedia
Bridges: Murom Bridge, Kanavinskiy Most, Molitovsky Bridge, and more
Mouth: Volga River
Length: 932.1 mi
Source: Glazunovsky District
Basin area: 94,595 mi²