| Fort Madison to Mauldin (South Carolina) | 637.65 mi (1,026.20 km) |
| Fort Madison to Maumee (Ohio) | 405.47 mi (652.54 km) |
| Fort Madison to Maumelle (Arkansas) | 402.66 mi (648.01 km) |
| Fort Madison to Mayagüez (Puerto Rico) | 2,112.36 mi (3,399.51 km) |
| Fort Madison to Mayfield Heights (Ohio) | 518.98 mi (835.23 km) |
| Fort Madison to Mays Chapel (Maryland) | 781.08 mi (1,257.03 km) |
| Fort Madison to Maywood (California) | 1,537.50 mi (2,474.36 km) |
| Fort Madison to Maywood (Illinois) | 201.85 mi (324.84 km) |
| Fort Madison to McAlester (Oklahoma) | 461.54 mi (742.78 km) |
| Fort Madison to McAllen (Texas) | 1,070.25 mi (1,722.41 km) |
| Fort Madison to McCalla (Alabama) | 558.90 mi (899.46 km) |
| Fort Madison to McComb (Mississippi) | 649.71 mi (1,045.60 km) |
| Fort Madison to McDonough (Georgia) | 635.04 mi (1,022.00 km) |
| Fort Madison to McFarland (California) | 1,546.47 mi (2,488.81 km) |
| Fort Madison to McHenry (Illinois) | 197.82 mi (318.36 km) |
