| Waltham Abbey to Oerlinghausen | 370.37 mi (596.06 km) |
| Waltham Abbey to Oestrich-Winkel | 367.69 mi (591.74 km) |
| Waltham Abbey to Offenburg | 415.79 mi (669.15 km) |
| Waltham Abbey to Oftersheim | 409.22 mi (658.58 km) |
| Waltham Abbey to Ohrdruf | 467.41 mi (752.22 km) |
| Waltham Abbey to Ohringen | 451.46 mi (726.55 km) |
| Waltham Abbey to Olbernhau | 580.98 mi (935.00 km) |
| Waltham Abbey to Olching | 557.02 mi (896.44 km) |
| Waltham Abbey to Oldenburg | 360.30 mi (579.84 km) |
| Waltham Abbey to Oldenburg in Holstein | 486.72 mi (783.29 km) |
| Waltham Abbey to Olfen | 316.02 mi (508.59 km) |
| Waltham Abbey to Olpe | 340.97 mi (548.74 km) |
| Waltham Abbey to Olsberg | 365.25 mi (587.81 km) |
| Waltham Abbey to Oranienburg | 564.32 mi (908.19 km) |
| Waltham Abbey to Ortenberg | 403.83 mi (649.90 km) |
