| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obukhovo | city | Kamchatskaya Oblast' | Russia | 56.2 | 161.9 | 36 | 46 |
| Oktyabr'skiy | city | Kamchatskaya Oblast' | Russia | 52.6636111 | 156.2386111 | 3 | 25 |
| Onovgai | city | Kamchatskaya Oblast' | Russia | 55.9333333 | 158.7 | 1528 | 5 |
| Onovgay | city | Kamchatskaya Oblast' | Russia | 55.9333333 | 158.7 | 1528 | 5 |
| Onovgay | city | Kamchatskaya Oblast' | Russia | 56.1 | 158.8833333 | 2057 | 5 |
| Opala | city | Kamchatskaya Oblast' | Russia | 52.0166667 | 156.5 | 16 | 47 |
| Ornovgay | city | Kamchatskaya Oblast' | Russia | 55.9333333 | 158.7 | 1528 | 5 |
| Ost'-Bol'Sheretak | city | Kamchatskaya Oblast' | Russia | 52.8233333 | 156.2783333 | 72 | 56 |
| Ostrovnaya | city | Kamchatskaya Oblast' | Russia | 53.2544444 | 159.5688889 | 108 | 45 |
| Ostrovnoye | city | Kamchatskaya Oblast' | Russia | 53.2544444 | 159.5688889 | 108 | 45 |
| Otradnoye | city | Kamchatskaya Oblast' | Russia | 51.9166667 | 156.5 | 0 | 43 |
| Ozernaya | city | Kamchatskaya Oblast' | Russia | 51.5 | 156.5166667 | 82 | 42 |
| Ozernovskiy | city | Kamchatskaya Oblast' | Russia | 51.5 | 156.5166667 | 82 | 42 |
| Ozernoye | city | Kamchatskaya Oblast' | Russia | 51.5 | 156.5166667 | 82 | 42 |
| Ozernyy | city | Kamchatskaya Oblast' | Russia | 52.9444444 | 158.7666667 | 305 | 35 |
| Ozernyy-Zapadnyy | city | Kamchatskaya Oblast' | Russia | 51.4791667 | 156.4916667 | 36 | 20 |
| Ozërnyy-Zapadnyy | city | Kamchatskaya Oblast' | Russia | 51.4791667 | 156.4916667 | 36 | 20 |
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