| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Оп | city | Alabama | United States | 31.28 | -86.26 | 334 | |
| Опа-лока | city | Florida | United States | 25.90 | -80.25 | 6 | |
| Опелајка | city | Alabama | United States | 32.65 | -85.38 | 830 | |
| Опеліка | city | Alabama | United States | 32.65 | -85.38 | 830 | |
| Оппело | city | Arkansas | United States | 35.10 | -92.77 | 298 |