| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ôlwè | city | Wallonie | Belgium | 50.07 | 4.61 | 830 | 3221 |
| Ômezêye | city | Wallonie | Belgium | 50.19 | 4.70 | 830 | 2743 |
| Ôn-thi̍t-ví-phú | city | Vlaanderen | Belgium | 51.21 | 4.40 | 9 | 179669 |
| Ôoglee | city | Vlaanderen | Belgium | 50.98 | 3.08 | 121 | 34728 |