| Basingstoke to Octeville | 115.90 mi (186.53 km) |
| Basingstoke to Oignies | 186.27 mi (299.77 km) |
| Basingstoke to Oissel | 164.10 mi (264.09 km) |
| Basingstoke to Olivet | 270.52 mi (435.35 km) |
| Basingstoke to Ollioules | 648.40 mi (1,043.50 km) |
| Basingstoke to Olonne-sur-Mer | 328.33 mi (528.39 km) |
| Basingstoke to Oloron-Sainte-Marie | 558.21 mi (898.35 km) |
| Basingstoke to Onet Village | 506.32 mi (814.84 km) |
| Basingstoke to Onnaing | 213.28 mi (343.25 km) |
| Basingstoke to Orange | 563.28 mi (906.52 km) |
| Basingstoke to Orchies | 196.61 mi (316.42 km) |
| Basingstoke to Orleans | 268.36 mi (431.89 km) |
| Basingstoke to Orly | 232.91 mi (374.83 km) |
| Basingstoke to Ormesson-sur-Marne | 235.07 mi (378.32 km) |
| Basingstoke to Orsay | 229.45 mi (369.26 km) |
