| Southborough to Brescia | 598.91 mi (963.85 km) |
| Southborough to Bressanone | 600.37 mi (966.20 km) |
| Southborough to Bresso | 563.92 mi (907.54 km) |
| Southborough to Brindisi | 1,113.24 mi (1,791.58 km) |
| Southborough to Broni | 590.58 mi (950.44 km) |
| Southborough to Bronte | 1,166.02 mi (1,876.53 km) |
| Southborough to Brugherio | 566.96 mi (912.44 km) |
| Southborough to Brugnera | 667.40 mi (1,074.07 km) |
| Southborough to Bruino | 538.56 mi (866.73 km) |
| Southborough to Brunico | 608.08 mi (978.62 km) |
| Southborough to Brusciano | 977.33 mi (1,572.86 km) |
| Southborough to Bucine | 749.38 mi (1,206.02 km) |
| Southborough to Budrio | 692.52 mi (1,114.51 km) |
| Southborough to Busca | 567.06 mi (912.60 km) |
| Southborough to Bussolengo | 624.49 mi (1,005.02 km) |
