| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Опово | city | Opovo | Serbia | 45.05 | 20.43 | 223 | 4950 |
| Опойки | city | Kirovskaya Oblast' | Russia | 57.83 | 47.80 | 351 | 351 |
| Опока | city | Krasnodarskiy Kray | Russia | 44.87 | 37.85 | 295 | 298 |
| Опоки | city | Pskovskaya Oblast' | Russia | 56.91 | 30.82 | 206 | 430 |
| Ополе | city | Opolskie | Poland | 50.67 | 17.93 | 830 | 91270 |
| Ополе-Любельске | city | Lubelskie | Poland | 51.15 | 21.97 | 830 | 7604 |
| Оползневе | city | Avtonomna Respublika Krym | Ukraine | 44.41 | 33.94 | 830 | 7813 |
| Оползневое | city | Avtonomna Respublika Krym | Ukraine | 44.41 | 33.94 | 830 | 7813 |
| Ополонское | city | Chernihivs'ka Oblast' | Ukraine | 51.11 | 32.71 | 830 | 3278 |
| Ополонское | city | Sums'ka Oblast' | Ukraine | 50.83 | 34.72 | 830 | 22711 |
| Ополонське | city | Chernihivs'ka Oblast' | Ukraine | 51.11 | 32.71 | 830 | 3278 |
| Ополонське | city | Sums'ka Oblast' | Ukraine | 50.83 | 34.72 | 830 | 22711 |
| Ополь | city | Brestskaya Oblast' | Belarus | 52.32 | 25.44 | 830 | 2633 |
| Ополье | city | Leningradskaya Oblast' | Russia | 59.44 | 28.83 | 308 | 149 |
| Ополье | city | Vladimirskaya Oblast' | Russia | 56.55 | 39.63 | 830 | 6254 |
| Опольно-Здруй | city | Dolnoslaskie | Poland | 50.89 | 14.93 | 980 | 12837 |
| Опольное | city | Ivanovskaya Oblast' | Russia | 57.12 | 41.22 | 830 | 149 |
| Опольчум | city | Krasnoyarskiy Kray | Russia | 59.95 | 88.05 | 830 | 0 |
| Опондуй | city | Astrakhanskaya Oblast' | Russia | 48.07 | 47.17 | 32 | 200 |
| Опоновцы | city | Grodnenskaya Oblast' | Belarus | 53.92 | 24.75 | 830 | 2258 |
| Опорелу | city | Olt | Romania | 44.60 | 24.42 | 830 | 3094 |
| Опорец | city | L'vivs'ka Oblast' | Ukraine | 48.78 | 23.34 | 2568 | 2968 |
| Опорець | city | L'vivs'ka Oblast' | Ukraine | 48.78 | 23.34 | 2568 | 2968 |
| Опори | city | L'vivs'ka Oblast' | Ukraine | 49.42 | 23.70 | 958 | 1843 |
| Опорный | city | Sakha (Yakutiya) | Russia | 59.38 | 110.78 | 1240 | 0 |
| Опорный | city | Kirovskaya Oblast' | Russia | 58.74 | 50.24 | 830 | 2332 |
| Опорог | city | Irkutskaya Oblast' | Russia | 57.52 | 115.52 | 1105 | 0 |
| Опоссум Бэй | city | Tasmania | Australia | -43.00 | 147.40 | 3 | 0 |
| Опоченское | city | Kaliningradskaya Oblast' | Russia | 54.39 | 21.86 | 830 | 1490 |
| Опочицы | city | Pskovskaya Oblast' | Russia | 57.79 | 28.28 | 121 | 83316 |
| Опочка | city | Pskovskaya Oblast' | Russia | 56.71 | 28.66 | 321 | 1043 |
| Опочно | city | Novgorodskaya Oblast' | Russia | 58.24 | 34.20 | 830 | 149 |
| Опочня | city | Tul'skaya Oblast' | Russia | 54.16 | 37.09 | 830 | 1490 |
| Опошня | city | Poltavs'ka Oblast' | Ukraine | 49.97 | 34.60 | 830 | 2831 |
| Опошняны | city | Poltavs'ka Oblast' | Ukraine | 49.64 | 34.78 | 308 | 4470 |