| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Omal | city | Province de Liege | Belgium | 50.65 | 5.2 | 495 | 12356 |
| Ombergen | city | Provincie Oost-Vlaanderen | Belgium | 51 | 3.8333333 | 32 | 48639 |
| Ombret-Rausa | city | Province de Liege | Belgium | 50.55 | 5.3333333 | 321 | 27320 |
| Ombret-Rawsa | city | Province de Liege | Belgium | 50.55 | 5.3333333 | 321 | 27320 |
| Ombreucq | city | Province de Hainaut | Belgium | 50.7333333 | 3.7833333 | 141 | 18476 |
| Omezee | city | Province de Namur | Belgium | 50.2 | 4.7 | 679 | 4989 |
| Omezée | city | Province de Namur | Belgium | 50.2 | 4.7 | 679 | 4989 |
| Ommegang | city | Provincie Oost-Vlaanderen | Belgium | 50.8666667 | 3.7166667 | 147 | 25724 |
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