| Royal Tunbridge Wells to Oerlinghausen | 365.43 mi (588.10 km) |
| Royal Tunbridge Wells to Oestrich-Winkel | 348.27 mi (560.48 km) |
| Royal Tunbridge Wells to Offenburg | 388.22 mi (624.78 km) |
| Royal Tunbridge Wells to Oftersheim | 387.02 mi (622.84 km) |
| Royal Tunbridge Wells to Ohrdruf | 455.54 mi (733.12 km) |
| Royal Tunbridge Wells to Ohringen | 429.71 mi (691.56 km) |
| Royal Tunbridge Wells to Olbernhau | 569.71 mi (916.85 km) |
| Royal Tunbridge Wells to Olching | 533.55 mi (858.67 km) |
| Royal Tunbridge Wells to Oldenburg | 364.45 mi (586.53 km) |
| Royal Tunbridge Wells to Oldenburg in Holstein | 494.80 mi (796.31 km) |
| Royal Tunbridge Wells to Olfen | 309.29 mi (497.75 km) |
| Royal Tunbridge Wells to Olpe | 328.59 mi (528.82 km) |
| Royal Tunbridge Wells to Olsberg | 355.71 mi (572.45 km) |
| Royal Tunbridge Wells to Oranienburg | 563.02 mi (906.09 km) |
| Royal Tunbridge Wells to Ortenberg | 387.89 mi (624.26 km) |
