| Widnau to Octeville | 537.98 mi (865.80 km) |
| Widnau to Oignies | 368.29 mi (592.70 km) |
| Widnau to Oissel | 414.12 mi (666.46 km) |
| Widnau to Olivet | 361.32 mi (581.49 km) |
| Widnau to Ollioules | 347.10 mi (558.60 km) |
| Widnau to Olonne-sur-Mer | 540.60 mi (870.01 km) |
| Widnau to Oloron-Sainte-Marie | 575.62 mi (926.38 km) |
| Widnau to Onet Village | 398.00 mi (640.53 km) |
| Widnau to Onnaing | 343.02 mi (552.04 km) |
| Widnau to Orange | 323.65 mi (520.86 km) |
| Widnau to Orchies | 359.27 mi (578.20 km) |
| Widnau to Orleans | 361.04 mi (581.04 km) |
| Widnau to Orly | 346.79 mi (558.10 km) |
| Widnau to Ormesson-sur-Marne | 341.00 mi (548.79 km) |
| Widnau to Orsay | 355.26 mi (571.73 km) |
