| Thornbury to Octeville | 142.32 mi (229.05 km) |
| Thornbury to Oignies | 252.29 mi (406.02 km) |
| Thornbury to Oissel | 223.18 mi (359.17 km) |
| Thornbury to Olivet | 325.49 mi (523.82 km) |
| Thornbury to Ollioules | 703.21 mi (1,131.71 km) |
| Thornbury to Olonne-sur-Mer | 352.17 mi (566.77 km) |
| Thornbury to Oloron-Sainte-Marie | 588.26 mi (946.71 km) |
| Thornbury to Onet Village | 553.31 mi (890.47 km) |
| Thornbury to Onnaing | 279.21 mi (449.34 km) |
| Thornbury to Orange | 617.38 mi (993.58 km) |
| Thornbury to Orchies | 262.52 mi (422.48 km) |
| Thornbury to Orleans | 323.55 mi (520.71 km) |
| Thornbury to Orly | 294.08 mi (473.27 km) |
| Thornbury to Ormesson-sur-Marne | 296.88 mi (477.78 km) |
| Thornbury to Orsay | 289.69 mi (466.21 km) |
