| Somerville to Mattoon (Illinois) | 921.45 mi (1,482.92 km) |
| Somerville to Mauldin (South Carolina) | 800.22 mi (1,287.84 km) |
| Somerville to Maumee (Ohio) | 647.12 mi (1,041.43 km) |
| Somerville to Maumelle (Arkansas) | 1,257.64 mi (2,023.97 km) |
| Somerville to Mayagüez (Puerto Rico) | 1,687.53 mi (2,715.81 km) |
| Somerville to Mayfield Heights (Ohio) | 534.99 mi (860.99 km) |
| Somerville to Mays Chapel (Maryland) | 354.43 mi (570.41 km) |
| Somerville to Maywood (California) | 2,587.74 mi (4,164.57 km) |
| Somerville to Maywood (Illinois) | 857.19 mi (1,379.51 km) |
| Somerville to McAlester (Oklahoma) | 1,421.23 mi (2,287.25 km) |
| Somerville to McAllen (Texas) | 1,896.01 mi (3,051.33 km) |
| Somerville to McCalla (Alabama) | 1,069.26 mi (1,720.81 km) |
| Somerville to McComb (Mississippi) | 1,314.30 mi (2,115.16 km) |
| Somerville to McDonough (Georgia) | 940.58 mi (1,513.73 km) |
| Somerville to McFarland (California) | 2,589.70 mi (4,167.72 km) |
