| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obrazets | city | Samarskaya Oblast' | Russia | 53.2666667 | 50.7666667 | 154 | 1310 |
| Obrazizovoye | city | Samarskaya Oblast' | Russia | 53.1125 | 48.4394444 | 95 | 140688 |
| Obraztsovo | city | Samarskaya Oblast' | Russia | 53.1125 | 48.4394444 | 95 | 140688 |
| Obraztsovoye | city | Samarskaya Oblast' | Russia | 53.1125 | 48.4394444 | 95 | 140688 |
| Obraztsovoye | city | Samarskaya Oblast' | Russia | 53.25 | 49.1 | 170 | 931 |
| Obrezki | city | Samarskaya Oblast' | Russia | 53.6 | 50.05 | 423 | 1642 |
| Obsharovka | city | Samarskaya Oblast' | Russia | 53.125 | 48.8530556 | 170 | 1888 |
| Obukhovskiy | city | Samarskaya Oblast' | Russia | 53.2 | 51.45 | 242 | 2029 |
| Ogorodnik | city | Samarskaya Oblast' | Russia | 52.8833333 | 50.3166667 | 150 | 1786 |
| Ogorodnyy | city | Samarskaya Oblast' | Russia | 52.8833333 | 50.3166667 | 150 | 1786 |
| Okean | city | Samarskaya Oblast' | Russia | 53.0666667 | 49.65 | 114 | 1771 |
| Oktyabr'sk | city | Samarskaya Oblast' | Russia | 53.1672222 | 48.7005556 | 95 | 32122 |
| Ol'gino | city | Samarskaya Oblast' | Russia | 53.4333333 | 48.9666667 | 272 | 1380 |
| Ol'gino | city | Samarskaya Oblast' | Russia | 52.8666667 | 49.1166667 | 209 | 1326 |
| Ol'khovskiy | city | Samarskaya Oblast' | Russia | 52 | 50.8666667 | 285 | 742 |
| Opytnyy | city | Samarskaya Oblast' | Russia | 52.4 | 49.8 | 246 | 936 |
| Orechovka | city | Samarskaya Oblast' | Russia | 52.5666667 | 50.8833333 | 419 | 725 |
| Orekhovka | city | Samarskaya Oblast' | Russia | 52.5666667 | 50.8833333 | 419 | 725 |
| Orlovka | city | Samarskaya Oblast' | Russia | 52.6666667 | 48.5833333 | 213 | 1073 |
| Orlovka | city | Samarskaya Oblast' | Russia | 53.6833333 | 50.8833333 | 393 | 1722 |
| Orlovka | city | Samarskaya Oblast' | Russia | 53.6 | 50.9333333 | 413 | 1716 |
| Orlovskiy | city | Samarskaya Oblast' | Russia | 53.0333333 | 48.2333333 | 620 | 1001 |
| Orlovskiy | city | Samarskaya Oblast' | Russia | 53.6 | 50.9333333 | 413 | 1716 |
| Osinki | city | Samarskaya Oblast' | Russia | 52.8488889 | 49.5144444 | 370 | 2241 |
| Osinovka | city | Samarskaya Oblast' | Russia | 53.2333333 | 49.6333333 | 606 | 1096 |
| Osinovka | city | Samarskaya Oblast' | Russia | 52.7166667 | 51.3 | 269 | 812 |
| Ostrovka | city | Samarskaya Oblast' | Russia | 54.2 | 50.55 | 223 | 1159 |
| Ostrovskiy | city | Samarskaya Oblast' | Russia | 52.9333333 | 51 | 150 | 1915 |
| Otrada | city | Samarskaya Oblast' | Russia | 52.55 | 49.7333333 | 508 | 887 |
| Otrada | city | Samarskaya Oblast' | Russia | 52.8833333 | 49.9666667 | 173 | 1525 |
| Otrada | city | Samarskaya Oblast' | Russia | 52.7666667 | 50.2 | 324 | 1050 |
| Otrada | city | Samarskaya Oblast' | Russia | 53.9 | 50.9666667 | 200 | 1713 |
| Otradnoye | city | Samarskaya Oblast' | Russia | 53.3666667 | 51.35 | 246 | 52810 |
| Otradny | city | Samarskaya Oblast' | Russia | 53.3666667 | 51.35 | 246 | 52810 |
| Otradnyy | city | Samarskaya Oblast' | Russia | 53.3666667 | 51.35 | 246 | 52810 |
| Otradovka | city | Samarskaya Oblast' | Russia | 53.9 | 50.9666667 | 200 | 1713 |
| Otvazhnoye | city | Samarskaya Oblast' | Russia | 53.3997222 | 49.4952778 | 377 | 57097 |
| Otvazhnyy | city | Samarskaya Oblast' | Russia | 53.3997222 | 49.4952778 | 377 | 57097 |
| Ovtsevod | city | Samarskaya Oblast' | Russia | 52.1666667 | 50.4 | 403 | 731 |
| Oykino | city | Samarskaya Oblast' | Russia | 54.4166667 | 51.8333333 | 570 | 1405 |
| Ozeretsk | city | Samarskaya Oblast' | Russia | 52.8 | 48.75 | 209 | 1638 |
| Ozeretskoye | city | Samarskaya Oblast' | Russia | 52.8 | 48.75 | 209 | 1638 |
| Ozerki | city | Samarskaya Oblast' | Russia | 52.75 | 50.55 | 318 | 1597 |
| Ozerki | city | Samarskaya Oblast' | Russia | 54.3333333 | 50.9833333 | 436 | 1769 |
| Ozernyy | city | Samarskaya Oblast' | Russia | 52.65 | 50.8 | 291 | 1704 |
| Ozërnyy | city | Samarskaya Oblast' | Russia | 52.65 | 50.8 | 291 | 1704 |
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