| Southborough to Brownhills | 139.06 mi (223.79 km) |
| Southborough to Broxbourne | 42.57 mi (68.52 km) |
| Southborough to Broxburn | 363.65 mi (585.24 km) |
| Southborough to Bryn | 203.30 mi (327.18 km) |
| Southborough to Buckhurst Hill | 34.09 mi (54.86 km) |
| Southborough to Buckie | 468.44 mi (753.89 km) |
| Southborough to Buckingham | 78.84 mi (126.88 km) |
| Southborough to Buckley | 198.71 mi (319.79 km) |
| Southborough to Bucksburn | 427.23 mi (687.56 km) |
| Southborough to Bude | 210.31 mi (338.46 km) |
| Southborough to Bulwell | 141.55 mi (227.80 km) |
| Southborough to Burbage | 116.94 mi (188.20 km) |
| Southborough to Burgess Hill | 22.18 mi (35.70 km) |
| Southborough to Burnham | 47.79 mi (76.91 km) |
| Southborough to Burnham-on-Sea | 141.18 mi (227.20 km) |
