| Dudelange to Oberkirch | 111.91 mi (180.10 km) |
| Dudelange to Obernburg am Main | 138.96 mi (223.64 km) |
| Dudelange to Obernkirchen | 233.36 mi (375.56 km) |
| Dudelange to Oberschleissheim | 263.32 mi (423.76 km) |
| Dudelange to Oberstdorf | 239.75 mi (385.83 km) |
| Dudelange to Obertraubling | 276.76 mi (445.40 km) |
| Dudelange to Obertshausen | 129.15 mi (207.84 km) |
| Dudelange to Oberursel | 121.73 mi (195.90 km) |
| Dudelange to Ochsenfurt | 178.85 mi (287.83 km) |
| Dudelange to Ochsenhausen | 201.14 mi (323.70 km) |
| Dudelange to Ochtrup | 194.19 mi (312.51 km) |
| Dudelange to Odenthal | 116.41 mi (187.35 km) |
| Dudelange to Oelde | 185.88 mi (299.15 km) |
| Dudelange to Oelsnitz | 277.95 mi (447.32 km) |
| Dudelange to Oer-Erkenschwick | 157.72 mi (253.82 km) |
