| Hazebrouck to Oignies | 26.64 mi (42.87 km) |
| Hazebrouck to Oissel | 115.15 mi (185.32 km) |
| Hazebrouck to Olivet | 199.76 mi (321.49 km) |
| Hazebrouck to Ollioules | 546.71 mi (879.84 km) |
| Hazebrouck to Olonne-sur-Mer | 349.92 mi (563.14 km) |
| Hazebrouck to Oloron-Sainte-Marie | 540.93 mi (870.54 km) |
| Hazebrouck to Onet Village | 439.40 mi (707.14 km) |
| Hazebrouck to Onnaing | 51.99 mi (83.67 km) |
| Hazebrouck to Orange | 467.24 mi (751.96 km) |
| Hazebrouck to Orchies | 35.43 mi (57.01 km) |
| Hazebrouck to Orleans | 197.07 mi (317.15 km) |
| Hazebrouck to Orly | 137.04 mi (220.54 km) |
| Hazebrouck to Ormesson-sur-Marne | 133.99 mi (215.63 km) |
| Hazebrouck to Orsay | 140.92 mi (226.79 km) |
| Hazebrouck to Orthez | 523.55 mi (842.57 km) |
