| Bilzen to Oignies | 113.85 mi (183.22 km) |
| Bilzen to Oissel | 222.57 mi (358.19 km) |
| Bilzen to Olivet | 263.60 mi (424.22 km) |
| Bilzen to Ollioules | 534.13 mi (859.60 km) |
| Bilzen to Olonne-sur-Mer | 446.86 mi (719.15 km) |
| Bilzen to Oloron-Sainte-Marie | 602.99 mi (970.41 km) |
| Bilzen to Onet Village | 469.26 mi (755.20 km) |
| Bilzen to Onnaing | 90.36 mi (145.43 km) |
| Bilzen to Orange | 466.05 mi (750.04 km) |
| Bilzen to Orchies | 103.13 mi (165.97 km) |
| Bilzen to Orleans | 261.23 mi (420.41 km) |
| Bilzen to Orly | 202.24 mi (325.48 km) |
| Bilzen to Ormesson-sur-Marne | 195.66 mi (314.89 km) |
| Bilzen to Orsay | 210.93 mi (339.47 km) |
| Bilzen to Orthez | 588.66 mi (947.35 km) |
