| Leuven to Oignies | 80.00 mi (128.75 km) |
| Leuven to Oissel | 192.08 mi (309.12 km) |
| Leuven to Olivet | 243.65 mi (392.11 km) |
| Leuven to Ollioules | 537.75 mi (865.43 km) |
| Leuven to Olonne-sur-Mer | 420.78 mi (677.17 km) |
| Leuven to Oloron-Sainte-Marie | 586.72 mi (944.23 km) |
| Leuven to Onet Village | 460.84 mi (741.64 km) |
| Leuven to Onnaing | 59.19 mi (95.26 km) |
| Leuven to Orange | 466.06 mi (750.05 km) |
| Leuven to Orchies | 69.71 mi (112.19 km) |
| Leuven to Orleans | 241.14 mi (388.08 km) |
| Leuven to Orly | 180.07 mi (289.79 km) |
| Leuven to Ormesson-sur-Marne | 174.00 mi (280.03 km) |
| Leuven to Orsay | 188.01 mi (302.57 km) |
| Leuven to Orthez | 571.52 mi (919.77 km) |
