| Laeken to Oignies | 65.99 mi (106.20 km) |
| Laeken to Oissel | 179.37 mi (288.67 km) |
| Laeken to Olivet | 235.69 mi (379.31 km) |
| Laeken to Ollioules | 539.24 mi (867.82 km) |
| Laeken to Olonne-sur-Mer | 409.69 mi (659.34 km) |
| Laeken to Oloron-Sainte-Marie | 579.71 mi (932.95 km) |
| Laeken to Onet Village | 457.34 mi (736.01 km) |
| Laeken to Onnaing | 47.42 mi (76.32 km) |
| Laeken to Orange | 466.13 mi (750.17 km) |
| Laeken to Orchies | 56.08 mi (90.24 km) |
| Laeken to Orleans | 233.14 mi (375.20 km) |
| Laeken to Orly | 171.45 mi (275.91 km) |
| Laeken to Ormesson-sur-Marne | 165.68 mi (266.64 km) |
| Laeken to Orsay | 178.97 mi (288.02 km) |
| Laeken to Orthez | 564.15 mi (907.91 km) |
