| Bailleul to Oignies | 21.76 mi (35.01 km) |
| Bailleul to Oissel | 120.87 mi (194.52 km) |
| Bailleul to Olivet | 202.06 mi (325.19 km) |
| Bailleul to Ollioules | 545.00 mi (877.09 km) |
| Bailleul to Olonne-sur-Mer | 355.67 mi (572.40 km) |
| Bailleul to Oloron-Sainte-Marie | 544.32 mi (876.00 km) |
| Bailleul to Onet Village | 440.30 mi (708.60 km) |
| Bailleul to Onnaing | 44.97 mi (72.37 km) |
| Bailleul to Orange | 466.11 mi (750.14 km) |
| Bailleul to Orchies | 28.82 mi (46.38 km) |
| Bailleul to Orleans | 199.37 mi (320.85 km) |
| Bailleul to Orly | 138.58 mi (223.03 km) |
| Bailleul to Ormesson-sur-Marne | 135.13 mi (217.47 km) |
| Bailleul to Orsay | 143.01 mi (230.15 km) |
| Bailleul to Orthez | 527.14 mi (848.35 km) |
