| Aire-sur-la-Lys to Oignies | 28.70 mi (46.19 km) |
| Aire-sur-la-Lys to Oissel | 106.72 mi (171.74 km) |
| Aire-sur-la-Lys to Olivet | 193.01 mi (310.62 km) |
| Aire-sur-la-Lys to Ollioules | 542.99 mi (873.87 km) |
| Aire-sur-la-Lys to Olonne-sur-Mer | 341.43 mi (549.48 km) |
| Aire-sur-la-Lys to Oloron-Sainte-Marie | 533.41 mi (858.44 km) |
| Aire-sur-la-Lys to Onet Village | 433.52 mi (697.68 km) |
| Aire-sur-la-Lys to Onnaing | 55.56 mi (89.41 km) |
| Aire-sur-la-Lys to Orange | 463.03 mi (745.17 km) |
| Aire-sur-la-Lys to Orchies | 38.89 mi (62.58 km) |
| Aire-sur-la-Lys to Orleans | 190.32 mi (306.29 km) |
| Aire-sur-la-Lys to Orly | 130.91 mi (210.68 km) |
| Aire-sur-la-Lys to Ormesson-sur-Marne | 128.17 mi (206.27 km) |
| Aire-sur-la-Lys to Orsay | 134.40 mi (216.30 km) |
| Aire-sur-la-Lys to Orthez | 515.93 mi (830.30 km) |
