| Flemalle-Haute to Oignies | 108.81 mi (175.12 km) |
| Flemalle-Haute to Oissel | 212.81 mi (342.48 km) |
| Flemalle-Haute to Olivet | 248.13 mi (399.32 km) |
| Flemalle-Haute to Ollioules | 515.87 mi (830.21 km) |
| Flemalle-Haute to Olonne-sur-Mer | 433.61 mi (697.83 km) |
| Flemalle-Haute to Oloron-Sainte-Marie | 586.06 mi (943.18 km) |
| Flemalle-Haute to Onet Village | 451.09 mi (725.96 km) |
| Flemalle-Haute to Onnaing | 83.27 mi (134.01 km) |
| Flemalle-Haute to Orange | 447.58 mi (720.30 km) |
| Flemalle-Haute to Orchies | 97.81 mi (157.42 km) |
| Flemalle-Haute to Orleans | 245.82 mi (395.60 km) |
| Flemalle-Haute to Orly | 187.88 mi (302.36 km) |
| Flemalle-Haute to Ormesson-sur-Marne | 181.13 mi (291.50 km) |
| Flemalle-Haute to Orsay | 196.83 mi (316.77 km) |
| Flemalle-Haute to Orthez | 571.95 mi (920.47 km) |
