| Richfield to Mattoon (Illinois) | 449.94 mi (724.11 km) |
| Richfield to Mauldin (South Carolina) | 907.03 mi (1,459.72 km) |
| Richfield to Maumee (Ohio) | 535.03 mi (861.05 km) |
| Richfield to Maumelle (Arkansas) | 694.17 mi (1,117.15 km) |
| Richfield to Mayagüez (Puerto Rico) | 2,379.77 mi (3,829.87 km) |
| Richfield to Mayfield Heights (Ohio) | 638.69 mi (1,027.88 km) |
| Richfield to Mays Chapel (Maryland) | 928.91 mi (1,494.93 km) |
| Richfield to Maywood (California) | 1,518.18 mi (2,443.27 km) |
| Richfield to Maywood (Illinois) | 342.60 mi (551.36 km) |
| Richfield to McAlester (Oklahoma) | 699.98 mi (1,126.51 km) |
| Richfield to McAllen (Texas) | 1,317.86 mi (2,120.89 km) |
| Richfield to McCalla (Alabama) | 866.46 mi (1,394.43 km) |
| Richfield to McComb (Mississippi) | 954.06 mi (1,535.41 km) |
| Richfield to McDonough (Georgia) | 928.01 mi (1,493.49 km) |
| Richfield to McFarland (California) | 1,500.02 mi (2,414.05 km) |
