| Southborough to Mill Creek East (Washington) | 4,796.77 mi (7,719.65 km) |
| Southborough to Mill Valley (California) | 5,378.97 mi (8,656.61 km) |
| Southborough to Millbrae (California) | 5,392.84 mi (8,678.93 km) |
| Southborough to Millbrook (Alabama) | 4,372.62 mi (7,037.05 km) |
| Southborough to Millcreek (Utah) | 4,891.50 mi (7,872.11 km) |
| Southborough to Milledgeville (Georgia) | 4,215.47 mi (6,784.15 km) |
| Southborough to Miller Place (New York) | 3,433.44 mi (5,525.59 km) |
| Southborough to Millington (Tennessee) | 4,374.96 mi (7,040.82 km) |
| Southborough to Millville (New Jersey) | 3,585.58 mi (5,770.44 km) |
| Southborough to Milpitas (California) | 5,387.34 mi (8,670.08 km) |
| Southborough to Milton (Georgia) | 4,208.77 mi (6,773.35 km) |
| Southborough to Milwaukee (Wisconsin) | 3,932.00 mi (6,327.95 km) |
| Southborough to Milwaukie (Oregon) | 4,945.19 mi (7,958.51 km) |
| Southborough to Minden (Louisiana) | 4,644.28 mi (7,474.25 km) |
| Southborough to Mineola (New York) | 3,468.40 mi (5,581.85 km) |
