| Belper to Oerlinghausen | 432.48 mi (696.01 km) |
| Belper to Oestrich-Winkel | 457.52 mi (736.31 km) |
| Belper to Offenburg | 517.52 mi (832.86 km) |
| Belper to Oftersheim | 502.91 mi (809.35 km) |
| Belper to Ohrdruf | 541.13 mi (870.87 km) |
| Belper to Ohringen | 543.79 mi (875.14 km) |
| Belper to Olbernhau | 651.48 mi (1,048.46 km) |
| Belper to Olching | 651.18 mi (1,047.98 km) |
| Belper to Oldenburg | 401.84 mi (646.70 km) |
| Belper to Oldenburg in Holstein | 512.80 mi (825.28 km) |
| Belper to Olfen | 384.24 mi (618.37 km) |
| Belper to Olpe | 419.10 mi (674.47 km) |
| Belper to Olsberg | 437.07 mi (703.39 km) |
| Belper to Oranienburg | 612.49 mi (985.71 km) |
| Belper to Ortenberg | 486.78 mi (783.40 km) |
