| Biggleswade to Octeville | 180.32 mi (290.20 km) |
| Biggleswade to Oignies | 179.40 mi (288.71 km) |
| Biggleswade to Oissel | 198.51 mi (319.46 km) |
| Biggleswade to Olivet | 306.98 mi (494.04 km) |
| Biggleswade to Ollioules | 679.76 mi (1,093.96 km) |
| Biggleswade to Olonne-sur-Mer | 389.44 mi (626.75 km) |
| Biggleswade to Oloron-Sainte-Marie | 614.54 mi (989.01 km) |
| Biggleswade to Onet Village | 549.17 mi (883.80 km) |
| Biggleswade to Onnaing | 203.80 mi (327.99 km) |
| Biggleswade to Orange | 596.39 mi (959.80 km) |
| Biggleswade to Orchies | 187.76 mi (302.17 km) |
| Biggleswade to Orleans | 304.56 mi (490.13 km) |
| Biggleswade to Orly | 258.62 mi (416.20 km) |
| Biggleswade to Ormesson-sur-Marne | 258.98 mi (416.80 km) |
| Biggleswade to Orsay | 257.57 mi (414.51 km) |
