| Southborough to Berkley (Colorado) | 4,711.39 mi (7,582.26 km) |
| Southborough to Berkley (Michigan) | 3,774.13 mi (6,073.88 km) |
| Southborough to Berthoud (Colorado) | 4,685.58 mi (7,540.71 km) |
| Southborough to Berwick (Pennsylvania) | 3,561.63 mi (5,731.89 km) |
| Southborough to Berwyn (Illinois) | 3,981.55 mi (6,407.69 km) |
| Southborough to Bessemer (Alabama) | 4,354.26 mi (7,007.50 km) |
| Southborough to Bethany (Oklahoma) | 4,666.06 mi (7,509.29 km) |
| Southborough to Bethany (Oregon) | 4,944.24 mi (7,956.99 km) |
| Southborough to Bethel Park (Pennsylvania) | 3,746.71 mi (6,029.74 km) |
| Southborough to Bethesda (Maryland) | 3,688.19 mi (5,935.56 km) |
| Southborough to Bethlehem (Pennsylvania) | 3,544.36 mi (5,704.09 km) |
| Southborough to Bethpage (New York) | 3,461.98 mi (5,571.51 km) |
| Southborough to Bettendorf (Iowa) | 4,096.47 mi (6,592.64 km) |
| Southborough to Beverly (Massachusetts) | 3,278.14 mi (5,275.66 km) |
| Southborough to Beverly Hills (California) | 5,472.73 mi (8,807.50 km) |
