| Boadilla del Monte to Borgosatollo | 793.71 mi (1,277.36 km) |
| Boadilla del Monte to Borgosesia | 713.19 mi (1,147.77 km) |
| Boadilla del Monte to Boscoreale | 961.84 mi (1,547.93 km) |
| Boadilla del Monte to Boscotrecase | 960.88 mi (1,546.39 km) |
| Boadilla del Monte to Botticino Sera | 794.85 mi (1,279.18 km) |
| Boadilla del Monte to Bovalino Marina | 1,080.80 mi (1,739.38 km) |
| Boadilla del Monte to Boves | 642.46 mi (1,033.93 km) |
| Boadilla del Monte to Boville Ernica | 906.43 mi (1,458.75 km) |
| Boadilla del Monte to Bovisio Masciago | 748.77 mi (1,205.03 km) |
| Boadilla del Monte to Bovolone | 829.21 mi (1,334.48 km) |
| Boadilla del Monte to Bra | 665.56 mi (1,071.11 km) |
| Boadilla del Monte to Bracciano | 841.02 mi (1,353.49 km) |
| Boadilla del Monte to Brandizzo | 678.24 mi (1,091.51 km) |
| Boadilla del Monte to Breganze | 859.22 mi (1,382.79 km) |
| Boadilla del Monte to Brembate | 766.02 mi (1,232.79 km) |
