| New Cassel to Mattoon (Illinois) | 785.90 mi (1,264.78 km) |
| New Cassel to Mauldin (South Carolina) | 630.58 mi (1,014.82 km) |
| New Cassel to Maumee (Ohio) | 527.94 mi (849.64 km) |
| New Cassel to Maumelle (Arkansas) | 1,103.45 mi (1,775.83 km) |
| New Cassel to Mayagüez (Puerto Rico) | 1,604.73 mi (2,582.57 km) |
| New Cassel to Mayfield Heights (Ohio) | 413.65 mi (665.71 km) |
| New Cassel to Mays Chapel (Maryland) | 187.09 mi (301.09 km) |
| New Cassel to Maywood (California) | 2,467.27 mi (3,970.68 km) |
| New Cassel to Maywood (Illinois) | 744.13 mi (1,197.56 km) |
| New Cassel to McAlester (Oklahoma) | 1,272.92 mi (2,048.56 km) |
| New Cassel to McAllen (Texas) | 1,730.98 mi (2,785.75 km) |
| New Cassel to McCalla (Alabama) | 902.28 mi (1,452.08 km) |
| New Cassel to McComb (Mississippi) | 1,147.95 mi (1,847.45 km) |
| New Cassel to McDonough (Georgia) | 771.05 mi (1,240.88 km) |
| New Cassel to McFarland (California) | 2,476.06 mi (3,984.84 km) |
