| Broxbourne to Oerlinghausen | 370.84 mi (596.80 km) |
| Broxbourne to Oestrich-Winkel | 369.80 mi (595.14 km) |
| Broxbourne to Offenburg | 418.82 mi (674.02 km) |
| Broxbourne to Oftersheim | 411.64 mi (662.46 km) |
| Broxbourne to Ohrdruf | 468.60 mi (754.15 km) |
| Broxbourne to Ohringen | 453.80 mi (730.32 km) |
| Broxbourne to Olbernhau | 582.07 mi (936.75 km) |
| Broxbourne to Olching | 559.53 mi (900.47 km) |
| Broxbourne to Oldenburg | 359.72 mi (578.91 km) |
| Broxbourne to Oldenburg in Holstein | 485.61 mi (781.52 km) |
| Broxbourne to Olfen | 316.74 mi (509.74 km) |
| Broxbourne to Olpe | 342.31 mi (550.89 km) |
| Broxbourne to Olsberg | 366.24 mi (589.41 km) |
| Broxbourne to Oranienburg | 564.27 mi (908.11 km) |
| Broxbourne to Ortenberg | 405.53 mi (652.63 km) |
