| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oana | city | Kamchatskiy Kray | Russia | 61.63 | 163.17 | 3 | 0 |
| Obukhovo | city | Kamchatskiy Kray | Russia | 56.21 | 161.93 | 36 | 0 |
| Oklan | city | Kamchatskiy Kray | Russia | 62.92 | 166.08 | 219 | 0 |
| Oklan | city | Kamchatskiy Kray | Russia | 62.71 | 166.58 | 108 | 0 |
| Oktjabrskij | city | Kamchatskiy Kray | Russia | 52.66 | 156.24 | 42 | 0 |
| Oktyabr'skiy | city | Kamchatskiy Kray | Russia | 52.66 | 156.24 | 42 | 0 |
| Oktyabr’skiy | city | Kamchatskiy Kray | Russia | 52.66 | 156.24 | 42 | 0 |
| Olene State Farm | city | Kamchatskiy Kray | Russia | 62.43 | 166.10 | 39 | 0 |
| Olenesovkhoz | city | Kamchatskiy Kray | Russia | 62.43 | 166.10 | 39 | 0 |
| Olenevod | city | Kamchatskiy Kray | Russia | 56.85 | 157.63 | 223 | 0 |
| Olensovkhoz | city | Kamchatskiy Kray | Russia | 62.43 | 166.10 | 39 | 0 |
| Olyutorka | city | Kamchatskiy Kray | Russia | 60.37 | 166.32 | 75 | 0 |
| Olyutorskiy | city | Kamchatskiy Kray | Russia | 60.43 | 169.67 | 19 | 0 |
| Olyutorskiy | city | Kamchatskiy Kray | Russia | 60.44 | 169.60 | 0 | 0 |
| Olyutorskiy Fishing Village | city | Kamchatskiy Kray | Russia | 60.43 | 169.67 | 19 | 0 |
| Olyutorskiy Rybnyy Kombinat | city | Kamchatskiy Kray | Russia | 60.43 | 169.67 | 19 | 0 |
| Olyutorskoe | city | Kamchatskiy Kray | Russia | 60.44 | 169.60 | 0 | 0 |
| Olyutorskoe | city | Kamchatskiy Kray | Russia | 60.37 | 166.32 | 75 | 0 |
| Olyutorskoye | city | Kamchatskiy Kray | Russia | 60.37 | 166.32 | 75 | 0 |
| Olyutorskoye | city | Kamchatskiy Kray | Russia | 60.44 | 169.60 | 0 | 0 |
| Omeleut | city | Kamchatskiy Kray | Russia | 61.45 | 172.77 | 3 | 0 |
| Onovgai | city | Kamchatskiy Kray | Russia | 55.93 | 158.71 | 1669 | 0 |
| Onovgay | city | Kamchatskiy Kray | Russia | 55.93 | 158.71 | 1669 | 0 |
| Onovgay | city | Kamchatskiy Kray | Russia | 56.05 | 158.97 | 1725 | 0 |
| Opala | city | Kamchatskiy Kray | Russia | 52.03 | 156.48 | 16 | 0 |
| Ornochek | city | Kamchatskiy Kray | Russia | 62.57 | 164.70 | 0 | 0 |
| Ornovgay | city | Kamchatskiy Kray | Russia | 55.93 | 158.71 | 1669 | 0 |
| Ossora | city | Kamchatskiy Kray | Russia | 59.25 | 163.07 | 3 | 0 |
| Ossorskiy | city | Kamchatskiy Kray | Russia | 59.30 | 163.05 | 157 | 0 |
| Ost'-Bol'Sheretak | city | Kamchatskiy Kray | Russia | 52.83 | 156.28 | 65 | 0 |
| Ostrog | city | Kamchatskiy Kray | Russia | 55.59 | 155.87 | 167 | 0 |
| Ostrovnaya | city | Kamchatskiy Kray | Russia | 53.25 | 159.57 | 108 | 0 |
| Ostrovnoye | city | Kamchatskiy Kray | Russia | 53.25 | 159.57 | 108 | 0 |
| Ost’-Bol’Sheretak | city | Kamchatskiy Kray | Russia | 52.83 | 156.28 | 65 | 0 |
| Otpryadyshi | city | Kamchatskiy Kray | Russia | 60.25 | 165.63 | 396 | 0 |
| Otpryadöshi | city | Kamchatskiy Kray | Russia | 60.25 | 165.63 | 396 | 0 |
| Otradnoye | city | Kamchatskiy Kray | Russia | 51.92 | 156.50 | 0 | 0 |
| Oyayutorkoye | city | Kamchatskiy Kray | Russia | 60.37 | 166.32 | 75 | 0 |
| Oyayutorskoye | city | Kamchatskiy Kray | Russia | 60.37 | 166.32 | 75 | 0 |
| Ozernaya | city | Kamchatskiy Kray | Russia | 57.37 | 161.70 | 367 | 0 |
| Ozernaya | city | Kamchatskiy Kray | Russia | 51.50 | 156.50 | 91 | 0 |
| Ozernovskij | city | Kamchatskiy Kray | Russia | 51.50 | 156.50 | 91 | 0 |
| Ozernovskiy | city | Kamchatskiy Kray | Russia | 51.50 | 156.50 | 91 | 0 |
| Ozernoye | city | Kamchatskiy Kray | Russia | 51.50 | 156.50 | 91 | 0 |
| Ozernoye | city | Kamchatskiy Kray | Russia | 57.37 | 161.70 | 367 | 0 |
| Ozernyy | city | Kamchatskiy Kray | Russia | 52.94 | 158.77 | 305 | 39514 |
| Ozernyy-Zapadnyy | city | Kamchatskiy Kray | Russia | 51.48 | 156.49 | 36 | 0 |