| Belper to Oberkirch | 519.73 mi (836.42 km) |
| Belper to Obernburg am Main | 506.94 mi (815.83 km) |
| Belper to Obernkirchen | 446.75 mi (718.97 km) |
| Belper to Oberschleissheim | 658.58 mi (1,059.89 km) |
| Belper to Oberstdorf | 647.35 mi (1,041.81 km) |
| Belper to Obertraubling | 654.89 mi (1,053.95 km) |
| Belper to Obertshausen | 487.32 mi (784.27 km) |
| Belper to Oberursel | 472.84 mi (760.96 km) |
| Belper to Ochsenfurt | 549.33 mi (884.06 km) |
| Belper to Ochsenhausen | 606.17 mi (975.53 km) |
| Belper to Ochtrup | 367.69 mi (591.74 km) |
| Belper to Odenthal | 390.08 mi (627.78 km) |
| Belper to Oelde | 413.47 mi (665.41 km) |
| Belper to Oelsnitz | 610.04 mi (981.77 km) |
| Belper to Oer-Erkenschwick | 380.38 mi (612.16 km) |
