| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oignies | city | Province de Hainaut | Belgium | 50.4333333 | 4.5833333 | 318 | 67326 |
| Oignies | city | Province de Namur | Belgium | 50.0166667 | 4.6333333 | 1187 | 5505 |
| Oirbeek | city | Province de )) (( Brabant | Belgium | 50.8 | 4.9 | 213 | 27719 |
| Oisefagne | city | Province de Luxembourg | Belgium | 49.8666667 | 5.65 | 1492 | 2198 |
| Oisquercq | city | Province de )) (( Brabant | Belgium | 50.6666667 | 4.2166667 | 262 | 47142 |
| Oizy | city | Province de Namur | Belgium | 49.9 | 5.0166667 | 1305 | 2991 |
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