| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ogue | city | Western Area | Sierra Leone | 8.4033333 | -13.2630556 | 685 | 307147 |
| Ogue Farm | city | Western Area | Sierra Leone | 8.4033333 | -13.2630556 | 685 | 307147 |
| Oiehun | city | Eastern Province | Sierra Leone | 8.2666667 | -10.8833333 | 833 | 7480 |
| Old Baoma | city | Southern Province | Sierra Leone | 7.9461111 | -11.4311111 | 419 | 6856 |
| Old Songo | city | Western Area | Sierra Leone | 8.3333333 | -12.9333333 | 65 | 7617 |
| Old Wharf Wellington | city | Western Area | Sierra Leone | 8.445 | -13.1580556 | 114 | 6687 |
| Orugu | city | Western Area | Sierra Leone | 8.4136111 | -13.1602778 | 557 | 8321 |
|
|