| Calexico to Mauldin (South Carolina) | 1,904.03 mi (3,064.24 km) |
| Calexico to Maumee (Ohio) | 1,845.40 mi (2,969.88 km) |
| Calexico to Maumelle (Arkansas) | 1,331.92 mi (2,143.51 km) |
| Calexico to Mayagüez (Puerto Rico) | 3,148.89 mi (5,067.65 km) |
| Calexico to Mayfield Heights (Ohio) | 1,958.07 mi (3,151.21 km) |
| Calexico to Mays Chapel (Maryland) | 2,201.44 mi (3,542.88 km) |
| Calexico to Maywood (California) | 179.67 mi (289.15 km) |
| Calexico to Maywood (Illinois) | 1,638.27 mi (2,636.54 km) |
| Calexico to McAlester (Oklahoma) | 1,140.86 mi (1,836.04 km) |
| Calexico to McAllen (Texas) | 1,127.71 mi (1,814.88 km) |
| Calexico to McCalla (Alabama) | 1,644.94 mi (2,647.28 km) |
| Calexico to McComb (Mississippi) | 1,466.75 mi (2,360.51 km) |
| Calexico to McDonough (Georgia) | 1,808.84 mi (2,911.04 km) |
| Calexico to McFarland (California) | 297.67 mi (479.05 km) |
| Calexico to McHenry (Illinois) | 1,623.94 mi (2,613.47 km) |
