| Southborough to Aviano | 662.39 mi (1,066.01 km) |
| Southborough to Avigliana | 533.18 mi (858.07 km) |
| Southborough to Avigliano | 1,030.58 mi (1,658.56 km) |
| Southborough to Avola | 1,225.41 mi (1,972.10 km) |
| Southborough to Azzano Decimo | 675.11 mi (1,086.49 km) |
| Southborough to Bacoli | 972.82 mi (1,565.60 km) |
| Southborough to Badia Polesine | 664.88 mi (1,070.03 km) |
| Southborough to Bagheria | 1,109.85 mi (1,786.13 km) |
| Southborough to Bagnacavallo | 714.72 mi (1,150.23 km) |
| Southborough to Bagnara Calabra | 1,167.45 mi (1,878.83 km) |
| Southborough to Bagno a Ripoli | 725.63 mi (1,167.80 km) |
| Southborough to Bagnolo in Piano | 652.65 mi (1,050.34 km) |
| Southborough to Bagnolo Mella | 602.72 mi (969.99 km) |
| Southborough to Barano d'Ischia | 972.03 mi (1,564.33 km) |
| Southborough to Baranzate | 562.01 mi (904.46 km) |
