| Buckley to Octeville | 252.70 mi (406.68 km) |
| Buckley to Oignies | 319.66 mi (514.44 km) |
| Buckley to Oissel | 320.28 mi (515.45 km) |
| Buckley to Olivet | 426.96 mi (687.13 km) |
| Buckley to Ollioules | 804.85 mi (1,295.29 km) |
| Buckley to Olonne-sur-Mer | 462.19 mi (743.83 km) |
| Buckley to Oloron-Sainte-Marie | 698.68 mi (1,124.42 km) |
| Buckley to Onet Village | 660.64 mi (1,063.20 km) |
| Buckley to Onnaing | 344.23 mi (553.98 km) |
| Buckley to Orange | 719.74 mi (1,158.31 km) |
| Buckley to Orchies | 328.16 mi (528.12 km) |
| Buckley to Orleans | 424.82 mi (683.68 km) |
| Buckley to Orly | 387.66 mi (623.88 km) |
| Buckley to Ormesson-sur-Marne | 389.25 mi (626.43 km) |
| Buckley to Orsay | 384.85 mi (619.35 km) |
