| Biot to Oignies | 510.37 mi (821.36 km) |
| Biot to Oissel | 486.92 mi (783.62 km) |
| Biot to Olivet | 385.01 mi (619.61 km) |
| Biot to Ollioules | 71.23 mi (114.64 km) |
| Biot to Olonne-sur-Mer | 476.65 mi (767.10 km) |
| Biot to Oloron-Sainte-Marie | 387.62 mi (623.81 km) |
| Biot to Onet Village | 229.46 mi (369.27 km) |
| Biot to Onnaing | 495.09 mi (796.77 km) |
| Biot to Orange | 119.15 mi (191.76 km) |
| Biot to Orchies | 506.40 mi (814.97 km) |
| Biot to Orleans | 386.72 mi (622.37 km) |
| Biot to Orly | 418.76 mi (673.93 km) |
| Biot to Ormesson-sur-Marne | 417.50 mi (671.90 km) |
| Biot to Orsay | 421.52 mi (678.38 km) |
| Biot to Orthez | 393.84 mi (633.83 km) |
