| Basildon to Octeville | 164.18 mi (264.22 km) |
| Basildon to Oignies | 133.14 mi (214.26 km) |
| Basildon to Oissel | 156.88 mi (252.48 km) |
| Basildon to Olivet | 264.36 mi (425.45 km) |
| Basildon to Ollioules | 634.37 mi (1,020.92 km) |
| Basildon to Olonne-sur-Mer | 363.20 mi (584.51 km) |
| Basildon to Oloron-Sainte-Marie | 581.65 mi (936.08 km) |
| Basildon to Onet Village | 507.82 mi (817.25 km) |
| Basildon to Onnaing | 158.29 mi (254.74 km) |
| Basildon to Orange | 551.54 mi (887.62 km) |
| Basildon to Orchies | 141.96 mi (228.46 km) |
| Basildon to Orleans | 261.86 mi (421.42 km) |
| Basildon to Orly | 213.27 mi (343.22 km) |
| Basildon to Ormesson-sur-Marne | 213.25 mi (343.19 km) |
| Basildon to Orsay | 212.82 mi (342.50 km) |
