| Southborough to Miami Lakes (Florida) | 4,447.18 mi (7,157.04 km) |
| Southborough to Miami Shores (Florida) | 4,443.34 mi (7,150.87 km) |
| Southborough to Miami Springs (Florida) | 4,450.49 mi (7,162.37 km) |
| Southborough to Miamisburg (Ohio) | 3,946.97 mi (6,352.04 km) |
| Southborough to Michigan City (Indiana) | 3,952.42 mi (6,360.81 km) |
| Southborough to Middle Island (New York) | 3,433.96 mi (5,526.42 km) |
| Southborough to Middle River (Maryland) | 3,643.88 mi (5,864.26 km) |
| Southborough to Middle Valley (Tennessee) | 4,193.85 mi (6,749.36 km) |
| Southborough to Middleburg (Florida) | 4,308.14 mi (6,933.29 km) |
| Southborough to Middleburg Heights (Ohio) | 3,770.78 mi (6,068.48 km) |
| Southborough to Middlesex (New Jersey) | 3,511.17 mi (5,650.68 km) |
| Southborough to Middleton (Wisconsin) | 3,987.90 mi (6,417.90 km) |
| Southborough to Middletown (Connecticut) | 3,393.99 mi (5,462.10 km) |
| Southborough to Middletown (Delaware) | 3,610.40 mi (5,810.37 km) |
| Southborough to Middletown (New York) | 3,470.61 mi (5,585.40 km) |
