Ока

Based on OpenStreetMap data, Ока is 789 km long.

Ока is in Russia, flowing through the subregions of Kaluga, Moskovskaya, Orel, Ryazan', Tula

Map

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Distributaries / Outflows

It has 2 side channels. (TODO fill in side channels)

Ока flows into Ока (Пьяная лука) , which it joins at N 54° 39′ 44″, E 39° 45′ 48″ at OSM node n140538536, and there 31,924 km of total upstream flows in.

Tributaries

Ока has 155 tributaries.