| Planken to Oberkirch | 114.97 mi (185.03 km) |
| Planken to Obernburg am Main | 184.43 mi (296.82 km) |
| Planken to Obernkirchen | 351.70 mi (566.00 km) |
| Planken to Oberschleissheim | 119.85 mi (192.89 km) |
| Planken to Oberstdorf | 38.29 mi (61.63 km) |
| Planken to Obertraubling | 173.04 mi (278.48 km) |
| Planken to Obertshausen | 201.77 mi (324.72 km) |
| Planken to Oberursel | 213.17 mi (343.06 km) |
| Planken to Ochsenfurt | 172.18 mi (277.09 km) |
| Planken to Ochsenhausen | 64.38 mi (103.61 km) |
| Planken to Ochtrup | 362.41 mi (583.25 km) |
| Planken to Odenthal | 287.55 mi (462.77 km) |
| Planken to Oelde | 327.21 mi (526.59 km) |
| Planken to Oelsnitz | 253.48 mi (407.94 km) |
| Planken to Oer-Erkenschwick | 324.67 mi (522.51 km) |
