| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| O'Donoghue | city | Northern Cape | South Africa | -27.87 | 22.74 | 4242 | 52 |
| O'Grabie West | city | Northern Cape | South Africa | -30.58 | 19.93 | 3349 | 0 |
| O'Kuip | city | Northern Cape | South Africa | -25.35 | 20.05 | 3392 | 0 |
| O'Okiep | city | Northern Cape | South Africa | -29.59 | 17.88 | 3517 | 8827 |