| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oberanven | city | District de Luxembourg | Luxembourg | 49.6536111 | 6.2411111 | 885 | 19569 |
| Obercorn | city | District de Luxembourg | Luxembourg | 49.5136111 | 5.8961111 | 1161 | 48125 |
| Oberglabach | city | District de Luxembourg | Luxembourg | 49.7775 | 6.1505556 | 1325 | 8985 |
| Oberkerschen | city | District de Luxembourg | Luxembourg | 49.5775 | 5.9108333 | 990 | 42971 |
| Oberkorn | city | District de Luxembourg | Luxembourg | 49.5136111 | 5.8961111 | 1161 | 48125 |
| Oetrange | city | District de Luxembourg | Luxembourg | 49.5963889 | 6.26 | 885 | 11258 |
| Olm | city | District de Luxembourg | Luxembourg | 49.6572222 | 6.02778 | 1112 | 23250 |
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