Afon Oka
Afon yng nghanolbarth Rwsia yw Afon Oka (Rwseg: Ока́), sydd y mwyaf o lednentydd ochr dde Afon Volga. Mae'n llifo drwy Oblast Oryol, Oblast Tula, Oblast Kaluga, Oblast Moscfa, Oblast Ryazan, Oblast Vladimir, ac Oblast Nizhny Novgorod a gellir ei thramwyo am y rhan fwyaf o'i chwrs, hyd at dref Kaluga. Mae ei hyd dros 1,500 cilometer (930 milltir). Saif Moscfa, prifddinas Rwsia, ar un o lednentydd Afon Oka, sef Afon Moscfa.
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| Math | afon  |
|---|---|
| Daearyddiaeth | |
| Sir | Oblast Oryol, Oblast Tula, Oblast Moscfa, Oblast Ryazan, Oblast Vladimir, Oblast Nizhny Novgorod, Oblast Kaluga |
| Gwlad |  Rwsia |
| Cyfesurynnau | 52.3624°N 36.2223°E, 56.3328°N 43.9844°E |
| Aber | Afon Volga |
| Llednentydd | Afon Ugra, Afon Zhizdra, Afon Protva, Afon Nara, Afon Moscfa, Afon Pra, Afon Klyazma, Afon Upa, Afon Osyotr, Afon Pronya, Afon Para, Afon Moksha, Afon Tyosha, Afon Yachenka, Afon Gus, Afon Kishma, Afon Tarusa, Rzhavka, Trubezh, Ushna, Afon Besputa, Tsna, Afon Lopasnya, Afon Vozha, Setukha, Afon Zusha, Yevenka, Alyonka, Berezuyka, Bobrik, Bolshaya Vyrka, Bol'shaya Kutra, Vashana, Vezhenka, Veletma, Vereya, Visha, Voblya, Vypreyka, Vyrka, Vyrka, Vyrka, Vyssa, Vyanka, Gnilichka, Dryashcha, Dubrovka, Dugna, Zheleznitsa, Zhelema, Zehlov, Ilyovna, Ista, Istya, Itska, Kaluzhka, Kaska, Kashirka, Kireevka, Kistryanka, Kishnya, Knubr, Koksha, Komola, Kroma, Krushma, Kuzoma, Litobezh, Malaya Karzya, Mezenka, Mityaevka, Motra, Mutenka, Myshega, Myshtsa, Neplozha, Nepolod', Nugr, Optukha, Orlik, Ochka, Penikovka, Peredut, Pyot, Pliska, Polyanka, Pytal, Raka, Rakitnya, Rechitsa, Rechma, Ruda, Yaroslavka, Rybnitsa, Salka, Savatyomka, Svinka, Svobod, Afon Seyma, Skniga, Sknizhka, Snoved', Solotcha, Srednik, Srednyaya Vyrka, Sukhmenka, Sushka, Syntulka, Tavrushka, Talovka, Tarka, Tashenka, Torta, Trosna, Tuzha, Tulovnya, Tyrnitsa, Tysya, Uvyaz, Uzherd, Unzha, Tsvetyn, Tson, Cherepet, Chernichka, Chucha, Chyornaya River, Sholokhovka, Shtyga, Schelinka, Ptara, Bolshaya Smedva, Todenka, Kremnitsa, Lamshinskaya, Krutitsa, Listvyanka |
| Dalgylch | 245,000 cilometr sgwâr |
| Hyd | 1,500 cilometr |
| Arllwysiad | 1,258 metr ciwbic yr eiliad |
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Prif lednentydd golygu
Dinasoedd a threfi ar yr afon golygu
- Oryol
- Belyov
- Chekalin
- Kaluga
- Aleksin
- Tarusa
- Serpukhov
- Stupino
- Kashira
- Protvino
- Pushchino
- Kolomna
- Ryazan
- Kasimov
- Murom
- Pavlovo
- Navashino
- Gorbatov
- Dzerzhinsk
- Nizhny Novgorod
Dolenni allanol golygu
- Afon Oka[dolen marw] ar wefan GEOnet Names Server