| Biscarrosse to Oignies | 462.43 mi (744.20 km) |
| Biscarrosse to Oissel | 358.10 mi (576.30 km) |
| Biscarrosse to Olivet | 281.09 mi (452.37 km) |
| Biscarrosse to Ollioules | 360.26 mi (579.78 km) |
| Biscarrosse to Olonne-sur-Mer | 150.98 mi (242.97 km) |
| Biscarrosse to Oloron-Sainte-Marie | 87.37 mi (140.61 km) |
| Biscarrosse to Onet Village | 185.55 mi (298.61 km) |
| Biscarrosse to Onnaing | 470.05 mi (756.48 km) |
| Biscarrosse to Orange | 296.02 mi (476.40 km) |
| Biscarrosse to Orchies | 467.78 mi (752.82 km) |
| Biscarrosse to Orleans | 283.55 mi (456.33 km) |
| Biscarrosse to Orly | 344.74 mi (554.80 km) |
| Biscarrosse to Ormesson-sur-Marne | 350.64 mi (564.30 km) |
| Biscarrosse to Orsay | 337.32 mi (542.86 km) |
| Biscarrosse to Orthez | 65.52 mi (105.44 km) |
