| Weston-super-Mare to Nuth | 385.08 mi (619.72 km) |
| Weston-super-Mare to Oegstgeest | 323.37 mi (520.41 km) |
| Weston-super-Mare to Oirschot | 356.58 mi (573.85 km) |
| Weston-super-Mare to Oisterwijk | 352.18 mi (566.77 km) |
| Weston-super-Mare to Oldebroek | 385.82 mi (620.91 km) |
| Weston-super-Mare to Oldenzaal | 428.08 mi (688.93 km) |
| Weston-super-Mare to Ommen | 407.98 mi (656.58 km) |
| Weston-super-Mare to Oosterend | 399.62 mi (643.13 km) |
| Weston-super-Mare to Oosterhout | 337.45 mi (543.07 km) |
| Weston-super-Mare to Oosterwolde | 408.54 mi (657.49 km) |
| Weston-super-Mare to Oostzaan | 343.31 mi (552.51 km) |
| Weston-super-Mare to Opmeer | 349.56 mi (562.57 km) |
| Weston-super-Mare to Oss | 365.82 mi (588.73 km) |
| Weston-super-Mare to Oud-Beijerland | 318.26 mi (512.18 km) |
| Weston-super-Mare to Oudenbosch | 323.15 mi (520.06 km) |
