| Walton-on-the-Naze to Oerlinghausen | 315.35 mi (507.50 km) |
| Walton-on-the-Naze to Oestrich-Winkel | 319.64 mi (514.41 km) |
| Walton-on-the-Naze to Offenburg | 376.09 mi (605.26 km) |
| Walton-on-the-Naze to Oftersheim | 363.39 mi (584.82 km) |
| Walton-on-the-Naze to Ohrdruf | 414.26 mi (666.69 km) |
| Walton-on-the-Naze to Ohringen | 404.93 mi (651.68 km) |
| Walton-on-the-Naze to Olbernhau | 527.42 mi (848.80 km) |
| Walton-on-the-Naze to Olching | 511.71 mi (823.52 km) |
| Walton-on-the-Naze to Oldenburg | 305.45 mi (491.57 km) |
| Walton-on-the-Naze to Oldenburg in Holstein | 433.15 mi (697.08 km) |
| Walton-on-the-Naze to Olfen | 261.48 mi (420.81 km) |
| Walton-on-the-Naze to Olpe | 288.47 mi (464.25 km) |
| Walton-on-the-Naze to Olsberg | 311.44 mi (501.22 km) |
| Walton-on-the-Naze to Oranienburg | 508.96 mi (819.09 km) |
| Walton-on-the-Naze to Ortenberg | 353.04 mi (568.16 km) |
