| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oberbesslingen | city | District de Diekirch | Luxembourg | 50.1566667 | 5.9786111 | 1548 | 3728 |
| Obercolpach | city | District de Diekirch | Luxembourg | 49.7686111 | 5.82 | 1049 | 5395 |
| Obereisenbach | city | District de Diekirch | Luxembourg | 50.072222 | 6.1466667 | 1453 | 4659 |
| Oberfeulen | city | District de Diekirch | Luxembourg | 49.8480556 | 6.0355556 | 1187 | 8506 |
| Oberpallen | city | District de Diekirch | Luxembourg | 49.7302778 | 5.8438889 | 987 | 10247 |
| Oberschlinder | city | District de Diekirch | Luxembourg | 49.95 | 6.0666667 | 1548 | 3154 |
| Oberwampach | city | District de Diekirch | Luxembourg | 50.0166667 | 5.8608333 | 1607 | 4217 |
| Ospern | city | District de Diekirch | Luxembourg | 49.7838889 | 5.9044444 | 984 | 5811 |
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