| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Old Bunting | city | | South Africa | -31.65 | 29.1833333 | 1450 | 11520 |
| Old Goxe Store | city | | South Africa | -30.6833333 | 29.6166667 | 3211 | 6753 |
| Old Green River | city | | South Africa | -32.9166667 | 27.2333333 | 1624 | 18444 |
| Old Idutywa | city | | South Africa | -32.0166667 | 28.3833333 | 2250 | 9188 |
| Old Morley | city | | South Africa | -31.9 | 28.9833333 | 620 | 11361 |
| Olga | city | Free State | South Africa | -29.3333333 | 26.2166667 | 4803 | 6353 |
| Olie Rivier | city | | South Africa | -28.9166667 | 23.9833333 | 3284 | 1421 |
| Olievenhout Bank | city | Free State | South Africa | -29.8833333 | 26.9333333 | 4711 | 823 |
| Olievenkop | city | Free State | South Africa | -29.5 | 25.9333333 | 4402 | 2504 |
| Olievenkoppies | city | Free State | South Africa | -29.3166667 | 26.05 | 4593 | 6353 |
| Oliewenberg | city | | South Africa | -30.9833333 | 26.0333333 | 4616 | 468 |
| Oliewenkloof | city | | South Africa | -30.8666667 | 26.7166667 | 4596 | 1601 |
| Olifants Kop | city | | South Africa | -33.6666667 | 25.6333333 | 606 | 55356 |
| Olifantsfontein | city | | South Africa | -25.9638889 | 28.2394444 | 5137 | 114829 |
| Olifantshoek | city | | South Africa | -27.9333333 | 22.7333333 | 4091 | 420 |
| Olifantshoek | city | | South Africa | -23.3333333 | 30.2833333 | 1909 | 32520 |
| Oliphants Hoek | city | Province of KwaZulu-Natal | South Africa | -28.8833333 | 30.7666667 | 2965 | 3014 |
| Olivewoodpark | city | Free State | South Africa | -29.9666667 | 26.9 | 4753 | 797 |
| Oliviershoek | city | Province of KwaZulu-Natal | South Africa | -28.7 | 29.1666667 | 3868 | 8618 |
| Oliviersrust | city | | South Africa | -30.7666667 | 28.4166667 | 4603 | 4596 |
| Olkersia | city | | South Africa | -33.2166667 | 19.5333333 | 3746 | 677 |
| Olverton | city | | South Africa | -25.0669444 | 28.1897222 | 3464 | 24107 |
| Olyfberg | city | | South Africa | -23.7666667 | 29.95 | 4393 | 1341 |
| Olyvenfontein | city | Free State | South Africa | -30.2833333 | 26.3833333 | 4881 | 434 |
| Olyvenkoppiespan | city | Free State | South Africa | -29.05 | 25.55 | 4094 | 434 |
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