| Fehmarnsund to Obernburg am Main | 329.59 mi (530.42 km) |
| Fehmarnsund to Obernkirchen | 172.70 mi (277.93 km) |
| Fehmarnsund to Oberschleissheim | 428.40 mi (689.44 km) |
| Fehmarnsund to Oberstdorf | 487.66 mi (784.81 km) |
| Fehmarnsund to Obertraubling | 380.99 mi (613.15 km) |
| Fehmarnsund to Obertshausen | 318.23 mi (512.14 km) |
| Fehmarnsund to Oberursel | 312.84 mi (503.46 km) |
| Fehmarnsund to Ochsenfurt | 334.62 mi (538.52 km) |
| Fehmarnsund to Ochsenhausen | 443.49 mi (713.72 km) |
| Fehmarnsund to Ochtrup | 225.60 mi (363.07 km) |
| Fehmarnsund to Odenthal | 290.30 mi (467.19 km) |
| Fehmarnsund to Oelde | 219.60 mi (353.41 km) |
| Fehmarnsund to Oelsnitz | 281.50 mi (453.02 km) |
| Fehmarnsund to Oer-Erkenschwick | 252.94 mi (407.07 km) |
| Fehmarnsund to Oerlinghausen | 200.13 mi (322.08 km) |
