| Biella to Octeville | 531.70 mi (855.69 km) |
| Biella to Oignies | 411.74 mi (662.64 km) |
| Biella to Oissel | 417.12 mi (671.29 km) |
| Biella to Olivet | 332.30 mi (534.78 km) |
| Biella to Ollioules | 200.37 mi (322.46 km) |
| Biella to Olonne-sur-Mer | 476.23 mi (766.42 km) |
| Biella to Oloron-Sainte-Marie | 458.31 mi (737.57 km) |
| Biella to Onet Village | 280.06 mi (450.71 km) |
| Biella to Onnaing | 391.85 mi (630.62 km) |
| Biella to Orange | 187.57 mi (301.87 km) |
| Biella to Orchies | 405.59 mi (652.74 km) |
| Biella to Orleans | 333.14 mi (536.13 km) |
| Biella to Orly | 345.17 mi (555.50 km) |
| Biella to Ormesson-sur-Marne | 341.73 mi (549.96 km) |
| Biella to Orsay | 350.80 mi (564.55 km) |
