| Southborough to Brandon (Florida) | 4,429.74 mi (7,128.99 km) |
| Southborough to Brandon (Mississippi) | 4,530.40 mi (7,290.97 km) |
| Southborough to Brandon (South Dakota) | 4,223.17 mi (6,796.53 km) |
| Southborough to Branson (Missouri) | 4,441.27 mi (7,147.53 km) |
| Southborough to Braselton (Georgia) | 4,189.55 mi (6,742.43 km) |
| Southborough to Brawley (California) | 5,441.28 mi (8,756.89 km) |
| Southborough to Brea (California) | 5,464.22 mi (8,793.81 km) |
| Southborough to Brecksville (Ohio) | 3,765.79 mi (6,060.46 km) |
| Southborough to Bremerton (Washington) | 4,827.20 mi (7,768.62 km) |
| Southborough to Brenham (Texas) | 4,893.74 mi (7,875.71 km) |
| Southborough to Brent (Florida) | 4,509.30 mi (7,257.01 km) |
| Southborough to Brentwood (California) | 5,353.08 mi (8,614.95 km) |
| Southborough to Brentwood (New York) | 3,450.91 mi (5,553.71 km) |
| Southborough to Brentwood (Tennessee) | 4,218.68 mi (6,789.31 km) |
| Southborough to Bridgeport (Connecticut) | 3,431.20 mi (5,521.99 km) |
