| Imperial Beach to Mauldin (South Carolina) | 1,997.67 mi (3,214.94 km) |
| Imperial Beach to Maumee (Ohio) | 1,932.23 mi (3,109.63 km) |
| Imperial Beach to Maumelle (Arkansas) | 1,425.77 mi (2,294.55 km) |
| Imperial Beach to Mayagüez (Puerto Rico) | 3,242.11 mi (5,217.67 km) |
| Imperial Beach to Mayfield Heights (Ohio) | 2,045.28 mi (3,291.55 km) |
| Imperial Beach to Mays Chapel (Maryland) | 2,291.27 mi (3,687.44 km) |
| Imperial Beach to Maywood (California) | 115.90 mi (186.53 km) |
| Imperial Beach to Maywood (Illinois) | 1,723.70 mi (2,774.03 km) |
| Imperial Beach to McAlester (Oklahoma) | 1,234.63 mi (1,986.95 km) |
| Imperial Beach to McAllen (Texas) | 1,215.40 mi (1,956.00 km) |
| Imperial Beach to McCalla (Alabama) | 1,739.42 mi (2,799.33 km) |
| Imperial Beach to McComb (Mississippi) | 1,561.53 mi (2,513.05 km) |
| Imperial Beach to McDonough (Georgia) | 1,903.17 mi (3,062.85 km) |
| Imperial Beach to McFarland (California) | 246.73 mi (397.08 km) |
| Imperial Beach to McHenry (Illinois) | 1,708.43 mi (2,749.44 km) |
