| Dilbeek to Oignies | 60.52 mi (97.39 km) |
| Dilbeek to Oissel | 173.83 mi (279.75 km) |
| Dilbeek to Olivet | 230.79 mi (371.41 km) |
| Dilbeek to Ollioules | 536.86 mi (864.00 km) |
| Dilbeek to Olonne-sur-Mer | 404.25 mi (650.58 km) |
| Dilbeek to Oloron-Sainte-Marie | 574.95 mi (925.30 km) |
| Dilbeek to Onet Village | 453.46 mi (729.77 km) |
| Dilbeek to Onnaing | 42.01 mi (67.60 km) |
| Dilbeek to Orange | 463.31 mi (745.63 km) |
| Dilbeek to Orchies | 50.55 mi (81.35 km) |
| Dilbeek to Orleans | 228.23 mi (367.29 km) |
| Dilbeek to Orly | 166.43 mi (267.85 km) |
| Dilbeek to Ormesson-sur-Marne | 160.73 mi (258.67 km) |
| Dilbeek to Orsay | 173.87 mi (279.82 km) |
| Dilbeek to Orthez | 559.32 mi (900.13 km) |
