| Dunstable to Oerlinghausen | 391.25 mi (629.65 km) |
| Dunstable to Oestrich-Winkel | 392.90 mi (632.32 km) |
| Dunstable to Offenburg | 442.03 mi (711.38 km) |
| Dunstable to Oftersheim | 434.91 mi (699.91 km) |
| Dunstable to Ohrdruf | 490.52 mi (789.42 km) |
| Dunstable to Ohringen | 477.04 mi (767.71 km) |
| Dunstable to Olbernhau | 603.77 mi (971.67 km) |
| Dunstable to Olching | 582.83 mi (937.97 km) |
| Dunstable to Oldenburg | 377.16 mi (606.98 km) |
| Dunstable to Oldenburg in Holstein | 501.04 mi (806.35 km) |
| Dunstable to Olfen | 337.76 mi (543.57 km) |
| Dunstable to Olpe | 364.48 mi (586.58 km) |
| Dunstable to Olsberg | 387.81 mi (624.11 km) |
| Dunstable to Oranienburg | 583.22 mi (938.61 km) |
| Dunstable to Ortenberg | 428.20 mi (689.13 km) |
