| Widnes to Octeville | 262.32 mi (422.16 km) |
| Widnes to Oignies | 315.17 mi (507.21 km) |
| Widnes to Oissel | 322.93 mi (519.70 km) |
| Widnes to Olivet | 430.53 mi (692.88 km) |
| Widnes to Ollioules | 807.76 mi (1,299.96 km) |
| Widnes to Olonne-sur-Mer | 473.59 mi (762.17 km) |
| Widnes to Oloron-Sainte-Marie | 709.25 mi (1,141.43 km) |
| Widnes to Onet Village | 666.60 mi (1,072.78 km) |
| Widnes to Onnaing | 339.02 mi (545.60 km) |
| Widnes to Orange | 723.05 mi (1,163.64 km) |
| Widnes to Orchies | 323.24 mi (520.20 km) |
| Widnes to Orleans | 428.32 mi (689.31 km) |
| Widnes to Orly | 388.78 mi (625.68 km) |
| Widnes to Ormesson-sur-Marne | 390.01 mi (627.66 km) |
| Widnes to Orsay | 386.46 mi (621.95 km) |
