| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Opcelin | city | Debarca | Macedonia | 41.35 | 20.76 | 3349 | 1597 |
| Opcha | city | Qashqadaryo | Uzbekistan | 39.30 | 67.12 | 5029 | 8092 |
| Opcha-dong | city | Jeonnam | Korea, Republic of (South) | 34.63 | 126.51 | 75 | 3911 |
| Opchen | city | Yucatan | Mexico | 21.10 | -88.68 | 68 | 635 |
| Opcina | city | Friuli-Venezia Giulia | Italy | 45.69 | 13.79 | 1171 | 127923 |
| Opcine | city | Friuli-Venezia Giulia | Italy | 45.69 | 13.79 | 1171 | 127923 |
| Opcine | city | Montenegro | 43.04 | 19.14 | 5029 | 2384 | |
| Opcus | city | Federacija Bosne i Hercegovine | Bosnia & Herzegovina | 43.22 | 17.68 | 830 | 4768 |