| Boadilla del Monte to Brescia | 794.40 mi (1,278.47 km) |
| Boadilla del Monte to Bressanone | 889.28 mi (1,431.16 km) |
| Boadilla del Monte to Bresso | 747.91 mi (1,203.64 km) |
| Boadilla del Monte to Brindisi | 1,142.61 mi (1,838.85 km) |
| Boadilla del Monte to Broni | 738.99 mi (1,189.28 km) |
| Boadilla del Monte to Bronte | 1,017.44 mi (1,637.40 km) |
| Boadilla del Monte to Brugherio | 753.62 mi (1,212.83 km) |
| Boadilla del Monte to Brugnera | 907.74 mi (1,460.86 km) |
| Boadilla del Monte to Bruino | 657.15 mi (1,057.59 km) |
| Boadilla del Monte to Brunico | 903.53 mi (1,454.09 km) |
| Boadilla del Monte to Brusciano | 957.61 mi (1,541.12 km) |
| Boadilla del Monte to Bucine | 822.65 mi (1,323.92 km) |
| Boadilla del Monte to Budrio | 834.15 mi (1,342.44 km) |
| Boadilla del Monte to Busca | 643.31 mi (1,035.30 km) |
| Boadilla del Monte to Bussolengo | 821.15 mi (1,321.52 km) |
