| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Okegem | city | Provincie Oost-Vlaanderen | Belgium | 50.85 | 4.05 | 101 | 62980 |
| Okerij | city | Provincie Oost-Vlaanderen | Belgium | 50.7666667 | 3.5833333 | 246 | 26872 |
| Okkerwijk | city | Provincie West-Vlaanderen | Belgium | 50.8 | 3.45 | 62 | 35912 |
| Oksdonk | city | Province de )) (( Brabant | Belgium | 51 | 4.3666667 | 32 | 65838 |
| Okselaar | city | Province de )) (( Brabant | Belgium | 51.0333333 | 5 | 65 | 33156 |