| Southborough to Bargas | 802.09 mi (1,290.85 km) |
| Southborough to Bayona | 758.56 mi (1,220.78 km) |
| Southborough to Baza | 956.55 mi (1,539.42 km) |
| Southborough to Beasain | 572.30 mi (921.02 km) |
| Southborough to Bejar | 798.64 mi (1,285.29 km) |
| Southborough to Benaguacil | 800.22 mi (1,287.83 km) |
| Southborough to Benahavis | 1,044.93 mi (1,681.65 km) |
| Southborough to Benalmadena | 1,033.22 mi (1,662.81 km) |
| Southborough to Benavente | 692.13 mi (1,113.88 km) |
| Southborough to Benetuser | 811.42 mi (1,305.86 km) |
| Southborough to Beniajan | 912.72 mi (1,468.89 km) |
| Southborough to Benicarlo | 742.31 mi (1,194.64 km) |
| Southborough to Benicasim | 767.31 mi (1,234.86 km) |
| Southborough to Beniel | 908.15 mi (1,461.53 km) |
| Southborough to Benifayo | 821.17 mi (1,321.55 km) |
