| San Bernardino to Mattoon (Illinois) | 1,634.82 mi (2,630.99 km) |
| San Bernardino to Mauldin (South Carolina) | 1,983.67 mi (3,192.41 km) |
| San Bernardino to Maumee (Ohio) | 1,891.85 mi (3,044.63 km) |
| San Bernardino to Maumelle (Arkansas) | 1,414.78 mi (2,276.87 km) |
| San Bernardino to Mayagüez (Puerto Rico) | 3,263.26 mi (5,251.71 km) |
| San Bernardino to Mayfield Heights (Ohio) | 2,005.65 mi (3,227.79 km) |
| San Bernardino to Mays Chapel (Maryland) | 2,259.12 mi (3,635.70 km) |
| San Bernardino to Maywood (California) | 52.22 mi (84.03 km) |
| San Bernardino to Maywood (Illinois) | 1,680.27 mi (2,704.14 km) |
| San Bernardino to McAlester (Oklahoma) | 1,223.78 mi (1,969.49 km) |
| San Bernardino to McAllen (Texas) | 1,259.44 mi (2,026.87 km) |
| San Bernardino to McCalla (Alabama) | 1,733.80 mi (2,790.28 km) |
| San Bernardino to McComb (Mississippi) | 1,567.91 mi (2,523.31 km) |
| San Bernardino to McDonough (Georgia) | 1,895.38 mi (3,050.31 km) |
| San Bernardino to McFarland (California) | 153.10 mi (246.38 km) |
