| Hitchin to Oerlinghausen | 380.83 mi (612.89 km) |
| Hitchin to Oestrich-Winkel | 384.39 mi (618.61 km) |
| Hitchin to Offenburg | 435.30 mi (700.54 km) |
| Hitchin to Oftersheim | 426.89 mi (687.01 km) |
| Hitchin to Ohrdruf | 480.74 mi (773.68 km) |
| Hitchin to Ohringen | 468.88 mi (754.59 km) |
| Hitchin to Olbernhau | 593.85 mi (955.71 km) |
| Hitchin to Olching | 574.96 mi (925.32 km) |
| Hitchin to Oldenburg | 366.23 mi (589.40 km) |
| Hitchin to Oldenburg in Holstein | 490.06 mi (788.67 km) |
| Hitchin to Olfen | 327.57 mi (527.17 km) |
| Hitchin to Olpe | 354.90 mi (571.16 km) |
| Hitchin to Olsberg | 377.85 mi (608.08 km) |
| Hitchin to Oranienburg | 572.46 mi (921.28 km) |
| Hitchin to Ortenberg | 419.05 mi (674.40 km) |
