| Ranst to Obernburg am Main | 222.46 mi (358.02 km) |
| Ranst to Obernkirchen | 208.84 mi (336.10 km) |
| Ranst to Oberschleissheim | 373.61 mi (601.27 km) |
| Ranst to Oberstdorf | 367.49 mi (591.42 km) |
| Ranst to Obertraubling | 371.07 mi (597.19 km) |
| Ranst to Obertshausen | 203.35 mi (327.26 km) |
| Ranst to Oberursel | 189.17 mi (304.43 km) |
| Ranst to Ochsenfurt | 265.32 mi (426.98 km) |
| Ranst to Ochsenhausen | 323.96 mi (521.37 km) |
| Ranst to Ochtrup | 132.69 mi (213.54 km) |
| Ranst to Odenthal | 111.91 mi (180.11 km) |
| Ranst to Oelde | 160.83 mi (258.83 km) |
| Ranst to Oelsnitz | 336.77 mi (541.98 km) |
| Ranst to Oer-Erkenschwick | 120.30 mi (193.61 km) |
| Ranst to Oerlinghausen | 184.48 mi (296.89 km) |
