| Biganos to Oignies | 442.87 mi (712.74 km) |
| Biganos to Oissel | 338.88 mi (545.38 km) |
| Biganos to Olivet | 261.50 mi (420.84 km) |
| Biganos to Ollioules | 355.26 mi (571.74 km) |
| Biganos to Olonne-sur-Mer | 136.24 mi (219.26 km) |
| Biganos to Oloron-Sainte-Marie | 101.88 mi (163.96 km) |
| Biganos to Onet Village | 177.05 mi (284.93 km) |
| Biganos to Onnaing | 450.45 mi (724.93 km) |
| Biganos to Orange | 287.84 mi (463.23 km) |
| Biganos to Orchies | 448.20 mi (721.31 km) |
| Biganos to Orleans | 263.96 mi (424.80 km) |
| Biganos to Orly | 325.13 mi (523.24 km) |
| Biganos to Ormesson-sur-Marne | 331.03 mi (532.74 km) |
| Biganos to Orsay | 317.71 mi (511.30 km) |
| Biganos to Orthez | 80.54 mi (129.62 km) |
