| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Odendaalrus | city | Free State | South Africa | -27.8666667 | 26.6833333 | 4376 | 15849 |
| Odendaalrust | city | Free State | South Africa | -27.8666667 | 26.6833333 | 4376 | 15849 |
| Odendaals Rust | city | Free State | South Africa | -27.8666667 | 26.6833333 | 4376 | 15849 |
| Odendaalsrus | city | Free State | South Africa | -27.8666667 | 26.6833333 | 4376 | 15849 |
| Olga | city | Free State | South Africa | -29.3333333 | 26.2166667 | 4803 | 6353 |
| 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 |
| Olivewoodpark | city | Free State | South Africa | -29.9666667 | 26.9 | 4753 | 797 |
| Olyvenfontein | city | Free State | South Africa | -30.2833333 | 26.3833333 | 4881 | 434 |
| Olyvenkoppiespan | city | Free State | South Africa | -29.05 | 25.55 | 4094 | 434 |
| Ommerin | city | Free State | South Africa | -29.6666667 | 25.55 | 4855 | 590 |
| Ongegund | city | Free State | South Africa | -30.2 | 26.85 | 5124 | 492 |
| Ongeluksfontein | city | Free State | South Africa | -30.55 | 26.3166667 | 4366 | 473 |
| Ongelukskop | city | Free State | South Africa | -29.7666667 | 26.1333333 | 4524 | 417 |
| Onse Rust | city | Free State | South Africa | -29.2833333 | 26.2 | 4524 | 6356 |
| Onverdiend | city | Free State | South Africa | -27.8 | 28.2166667 | 5478 | 1395 |
| Oorlogspoort | city | Free State | South Africa | -29.6333333 | 26.4666667 | 5042 | 619 |
| Oorskot | city | Free State | South Africa | -29.6 | 26.0166667 | 4478 | 399 |
| Oosdeel | city | Free State | South Africa | -29.4 | 25.7833333 | 4478 | 6347 |
| Oostenryk | city | Free State | South Africa | -29.8333333 | 26.7 | 5085 | 632 |
| Oosterbeek | city | Free State | South Africa | -27.9833333 | 29.4 | 6003 | 1064 |
| Oranje | city | Free State | South Africa | -29.0333333 | 25.5833333 | 3999 | 434 |
| Oranjekrag | city | Free State | South Africa | -30.6 | 25.5 | 4041 | 303 |
| Oranjeville | city | Free State | South Africa | -26.9833333 | 28.2 | 4937 | 1201 |
| Oranjezicht | city | Free State | South Africa | -29.0833333 | 26.1 | 4478 | 6367 |
| Oudersgift | city | Free State | South Africa | -30.5666667 | 26.55 | 4616 | 490 |
| Oudersorg | city | Free State | South Africa | -30.45 | 26.9666667 | 5072 | 533 |
| Oudestrypoort | city | Free State | South Africa | -30.5166667 | 25.7833333 | 4360 | 406 |
| Oufontein | city | Free State | South Africa | -27.4833333 | 28.6833333 | 5246 | 1286 |
| Overschot | city | Free State | South Africa | -30.3 | 26.4166667 | 4865 | 436 |
| Overskat | city | Free State | South Africa | -29.5833333 | 26.0333333 | 4668 | 510 |
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