| Os to Brescia | 1,033.29 mi (1,662.91 km) |
| Os to Bressanone | 966.46 mi (1,555.36 km) |
| Os to Bresso | 1,026.53 mi (1,652.04 km) |
| Os to Brindisi | 1,454.91 mi (2,341.45 km) |
| Os to Broni | 1,059.32 mi (1,704.81 km) |
| Os to Bronte | 1,603.99 mi (2,581.37 km) |
| Os to Brugherio | 1,026.06 mi (1,651.28 km) |
| Os to Brugnera | 1,030.95 mi (1,659.15 km) |
| Os to Bruino | 1,054.12 mi (1,696.43 km) |
| Os to Brunico | 964.06 mi (1,551.51 km) |
| Os to Brusciano | 1,387.76 mi (2,233.38 km) |
| Os to Bucine | 1,184.95 mi (1,906.99 km) |
| Os to Budrio | 1,111.75 mi (1,789.19 km) |
| Os to Busca | 1,088.59 mi (1,751.92 km) |
| Os to Bussolengo | 1,043.35 mi (1,679.11 km) |
