| Hautmont to Obernburg am Main | 233.15 mi (375.22 km) |
| Hautmont to Obernkirchen | 264.24 mi (425.26 km) |
| Hautmont to Oberschleissheim | 371.09 mi (597.21 km) |
| Hautmont to Oberstdorf | 349.11 mi (561.83 km) |
| Hautmont to Obertraubling | 379.32 mi (610.46 km) |
| Hautmont to Obertshausen | 217.62 mi (350.23 km) |
| Hautmont to Oberursel | 205.65 mi (330.96 km) |
| Hautmont to Ochsenfurt | 276.11 mi (444.36 km) |
| Hautmont to Ochsenhausen | 310.80 mi (500.18 km) |
| Hautmont to Ochtrup | 195.57 mi (314.74 km) |
| Hautmont to Odenthal | 150.02 mi (241.43 km) |
| Hautmont to Oelde | 213.72 mi (343.94 km) |
| Hautmont to Oelsnitz | 363.52 mi (585.03 km) |
| Hautmont to Oer-Erkenschwick | 173.89 mi (279.85 km) |
| Hautmont to Oerlinghausen | 237.47 mi (382.17 km) |
