| Weston-super-Mare to Octeville | 132.46 mi (213.17 km) |
| Weston-super-Mare to Oignies | 267.01 mi (429.71 km) |
| Weston-super-Mare to Oissel | 226.56 mi (364.61 km) |
| Weston-super-Mare to Olivet | 324.79 mi (522.70 km) |
| Weston-super-Mare to Ollioules | 700.95 mi (1,128.06 km) |
| Weston-super-Mare to Olonne-sur-Mer | 336.78 mi (542.00 km) |
| Weston-super-Mare to Oloron-Sainte-Marie | 574.01 mi (923.78 km) |
| Weston-super-Mare to Onet Village | 546.71 mi (879.85 km) |
| Weston-super-Mare to Onnaing | 294.15 mi (473.39 km) |
| Weston-super-Mare to Orange | 614.81 mi (989.44 km) |
| Weston-super-Mare to Orchies | 277.54 mi (446.66 km) |
| Weston-super-Mare to Orleans | 323.02 mi (519.85 km) |
| Weston-super-Mare to Orly | 298.36 mi (480.16 km) |
| Weston-super-Mare to Ormesson-sur-Marne | 301.74 mi (485.60 km) |
| Weston-super-Mare to Orsay | 293.19 mi (471.85 km) |
