| Sint-Lievens-Houtem to Oignies | 49.16 mi (79.11 km) |
| Sint-Lievens-Houtem to Oissel | 164.14 mi (264.16 km) |
| Sint-Lievens-Houtem to Olivet | 228.69 mi (368.04 km) |
| Sint-Lievens-Houtem to Ollioules | 545.34 mi (877.64 km) |
| Sint-Lievens-Houtem to Olonne-sur-Mer | 396.85 mi (638.67 km) |
| Sint-Lievens-Houtem to Oloron-Sainte-Marie | 573.35 mi (922.72 km) |
| Sint-Lievens-Houtem to Onet Village | 456.48 mi (734.64 km) |
| Sint-Lievens-Houtem to Onnaing | 38.39 mi (61.78 km) |
| Sint-Lievens-Houtem to Orange | 470.39 mi (757.02 km) |
| Sint-Lievens-Houtem to Orchies | 40.93 mi (65.86 km) |
| Sint-Lievens-Houtem to Orleans | 226.07 mi (363.83 km) |
| Sint-Lievens-Houtem to Orly | 163.86 mi (263.71 km) |
| Sint-Lievens-Houtem to Ormesson-sur-Marne | 158.67 mi (255.36 km) |
| Sint-Lievens-Houtem to Orsay | 170.59 mi (274.54 km) |
| Sint-Lievens-Houtem to Orthez | 557.24 mi (896.80 km) |
