| Onex to Bougival | 261.62 mi (421.03 km) |
| Onex to Bouguenais | 372.24 mi (599.06 km) |
| Onex to Boulogne-Billancourt | 256.86 mi (413.38 km) |
| Onex to Boulogne-sur-Mer | 375.04 mi (603.57 km) |
| Onex to Bourg-de-Peage | 94.02 mi (151.31 km) |
| Onex to Bourg-en-Bresse | 41.69 mi (67.09 km) |
| Onex to Bourg-la-Reine | 251.76 mi (405.17 km) |
| Onex to Bourg-les-Valence | 103.37 mi (166.36 km) |
| Onex to Bourges | 186.39 mi (299.97 km) |
| Onex to Bourgoin-Jallieu | 57.29 mi (92.20 km) |
| Onex to Bressuire | 316.46 mi (509.30 km) |
| Onex to Brest | 518.73 mi (834.81 km) |
| Onex to Bretigny-sur-Orge | 244.14 mi (392.91 km) |
| Onex to Breuillet | 246.71 mi (397.04 km) |
| Onex to Briancon | 92.65 mi (149.10 km) |
