| Southborough to Bingen am Rhein | 344.91 mi (555.07 km) |
| Southborough to Birkenau | 387.87 mi (624.21 km) |
| Southborough to Birkenfeld | 403.64 mi (649.59 km) |
| Southborough to Bischofsheim | 363.87 mi (585.60 km) |
| Southborough to Bischofswerda | 602.26 mi (969.24 km) |
| Southborough to Bisingen | 433.23 mi (697.22 km) |
| Southborough to Bissendorf | 346.23 mi (557.21 km) |
| Southborough to Bitburg | 287.09 mi (462.02 km) |
| Southborough to Bitterfeld | 519.99 mi (836.84 km) |
| Southborough to Blankenburg | 461.99 mi (743.50 km) |
| Southborough to Blankenfelde | 566.96 mi (912.43 km) |
| Southborough to Blaubeuren | 464.73 mi (747.91 km) |
| Southborough to Bleicherode | 445.13 mi (716.36 km) |
| Southborough to Blieskastel | 336.22 mi (541.10 km) |
| Southborough to Blomberg | 382.40 mi (615.41 km) |
