| Bierbeek to Oignies | 81.65 mi (131.40 km) |
| Bierbeek to Oissel | 192.75 mi (310.20 km) |
| Bierbeek to Olivet | 242.31 mi (389.96 km) |
| Bierbeek to Ollioules | 534.01 mi (859.41 km) |
| Bierbeek to Olonne-sur-Mer | 420.57 mi (676.84 km) |
| Bierbeek to Oloron-Sainte-Marie | 584.99 mi (941.45 km) |
| Bierbeek to Onet Village | 458.15 mi (737.31 km) |
| Bierbeek to Onnaing | 59.77 mi (96.19 km) |
| Bierbeek to Orange | 462.58 mi (744.46 km) |
| Bierbeek to Orchies | 71.15 mi (114.50 km) |
| Bierbeek to Orleans | 239.83 mi (385.97 km) |
| Bierbeek to Orly | 179.02 mi (288.10 km) |
| Bierbeek to Ormesson-sur-Marne | 172.86 mi (278.19 km) |
| Bierbeek to Orsay | 187.09 mi (301.10 km) |
| Bierbeek to Orthez | 569.91 mi (917.18 km) |
