| Southborough to Beuvry | 114.24 mi (183.85 km) |
| Southborough to Beziers | 557.14 mi (896.63 km) |
| Southborough to Bezons | 176.98 mi (284.81 km) |
| Southborough to Biarritz | 537.42 mi (864.89 km) |
| Southborough to Biganos | 453.84 mi (730.38 km) |
| Southborough to Billere | 543.77 mi (875.11 km) |
| Southborough to Biot | 610.00 mi (981.70 km) |
| Southborough to Biscarrosse | 472.19 mi (759.92 km) |
| Southborough to Bischheim | 376.61 mi (606.09 km) |
| Southborough to Bischwiller | 375.52 mi (604.34 km) |
| Southborough to Blagnac | 522.46 mi (840.81 km) |
| Southborough to Blain | 270.40 mi (435.16 km) |
| Southborough to Blanquefort | 433.78 mi (698.10 km) |
| Southborough to Blois | 250.97 mi (403.90 km) |
| Southborough to Bobigny | 182.91 mi (294.37 km) |
