| Boulogne-Billancourt to Bitritto | 891.14 mi (1,434.15 km) |
| Boulogne-Billancourt to Bollate | 394.39 mi (634.71 km) |
| Boulogne-Billancourt to Bologna | 525.01 mi (844.93 km) |
| Boulogne-Billancourt to Bolzano | 453.42 mi (729.71 km) |
| Boulogne-Billancourt to Bomporto | 502.85 mi (809.26 km) |
| Boulogne-Billancourt to Bonate di Sopra | 406.47 mi (654.14 km) |
| Boulogne-Billancourt to Bondeno | 511.81 mi (823.68 km) |
| Boulogne-Billancourt to Bordighera | 434.38 mi (699.06 km) |
| Boulogne-Billancourt to Borgaro Torinese | 360.13 mi (579.57 km) |
| Boulogne-Billancourt to Borgo a Buggiano | 529.57 mi (852.27 km) |
| Boulogne-Billancourt to Borgo San Dalmazzo | 398.20 mi (640.84 km) |
| Boulogne-Billancourt to Borgo San Lorenzo | 550.49 mi (885.93 km) |
| Boulogne-Billancourt to Borgomanero | 363.30 mi (584.68 km) |
| Boulogne-Billancourt to Borgoricco | 510.58 mi (821.70 km) |
| Boulogne-Billancourt to Borgosatollo | 441.37 mi (710.32 km) |
