| Luxembourg to Oberkirch | 115.55 mi (185.96 km) |
| Luxembourg to Obernburg am Main | 135.33 mi (217.80 km) |
| Luxembourg to Obernkirchen | 224.78 mi (361.75 km) |
| Luxembourg to Oberschleissheim | 263.95 mi (424.79 km) |
| Luxembourg to Oberstdorf | 243.22 mi (391.42 km) |
| Luxembourg to Obertraubling | 275.53 mi (443.42 km) |
| Luxembourg to Obertshausen | 124.41 mi (200.21 km) |
| Luxembourg to Oberursel | 116.22 mi (187.03 km) |
| Luxembourg to Ochsenfurt | 176.09 mi (283.39 km) |
| Luxembourg to Ochsenhausen | 203.50 mi (327.51 km) |
| Luxembourg to Ochtrup | 185.05 mi (297.81 km) |
| Luxembourg to Odenthal | 107.40 mi (172.84 km) |
| Luxembourg to Oelde | 177.05 mi (284.94 km) |
| Luxembourg to Oelsnitz | 273.57 mi (440.27 km) |
| Luxembourg to Oer-Erkenschwick | 148.61 mi (239.17 km) |
