| Redding to Mattoon (Illinois) | 1,789.47 mi (2,879.88 km) |
| Redding to Mauldin (South Carolina) | 2,207.56 mi (3,552.72 km) |
| Redding to Maumee (Ohio) | 2,000.14 mi (3,218.91 km) |
| Redding to Maumelle (Arkansas) | 1,676.10 mi (2,697.43 km) |
| Redding to Mayagüez (Puerto Rico) | 3,597.63 mi (5,789.83 km) |
| Redding to Mayfield Heights (Ohio) | 2,112.82 mi (3,400.26 km) |
| Redding to Mays Chapel (Maryland) | 2,393.19 mi (3,851.47 km) |
| Redding to Maywood (California) | 509.26 mi (819.57 km) |
| Redding to Maywood (Illinois) | 1,784.11 mi (2,871.25 km) |
| Redding to McAlester (Oklahoma) | 1,497.83 mi (2,410.53 km) |
| Redding to McAllen (Texas) | 1,698.73 mi (2,733.84 km) |
| Redding to McCalla (Alabama) | 2,000.48 mi (3,219.47 km) |
| Redding to McComb (Mississippi) | 1,885.20 mi (3,033.93 km) |
| Redding to McDonough (Georgia) | 2,147.57 mi (3,456.17 km) |
| Redding to McFarland (California) | 378.16 mi (608.60 km) |
