| Buckhurst Hill to Octeville | 156.86 mi (252.44 km) |
| Buckhurst Hill to Oignies | 151.50 mi (243.81 km) |
| Buckhurst Hill to Oissel | 164.89 mi (265.36 km) |
| Buckhurst Hill to Olivet | 273.31 mi (439.85 km) |
| Buckhurst Hill to Ollioules | 646.19 mi (1,039.94 km) |
| Buckhurst Hill to Olonne-sur-Mer | 361.45 mi (581.70 km) |
| Buckhurst Hill to Oloron-Sainte-Marie | 583.76 mi (939.48 km) |
| Buckhurst Hill to Onet Village | 515.71 mi (829.95 km) |
| Buckhurst Hill to Onnaing | 177.09 mi (284.99 km) |
| Buckhurst Hill to Orange | 562.73 mi (905.62 km) |
| Buckhurst Hill to Orchies | 160.63 mi (258.51 km) |
| Buckhurst Hill to Orleans | 270.88 mi (435.93 km) |
| Buckhurst Hill to Orly | 225.12 mi (362.29 km) |
| Buckhurst Hill to Ormesson-sur-Marne | 225.61 mi (363.09 km) |
| Buckhurst Hill to Orsay | 223.94 mi (360.40 km) |
