| Somain to Obernburg am Main | 262.15 mi (421.89 km) |
| Somain to Obernkirchen | 284.41 mi (457.72 km) |
| Somain to Oberschleissheim | 400.44 mi (644.45 km) |
| Somain to Oberstdorf | 377.39 mi (607.35 km) |
| Somain to Obertraubling | 408.64 mi (657.64 km) |
| Somain to Obertshausen | 246.29 mi (396.37 km) |
| Somain to Oberursel | 234.05 mi (376.67 km) |
| Somain to Ochsenfurt | 305.20 mi (491.18 km) |
| Somain to Ochsenhausen | 339.67 mi (546.65 km) |
| Somain to Ochtrup | 211.75 mi (340.78 km) |
| Somain to Odenthal | 174.25 mi (280.44 km) |
| Somain to Oelde | 234.56 mi (377.49 km) |
| Somain to Oelsnitz | 391.27 mi (629.68 km) |
| Somain to Oer-Erkenschwick | 194.09 mi (312.36 km) |
| Somain to Oerlinghausen | 258.44 mi (415.91 km) |
