| Mettlach to Mauldin (South Carolina) | 4,397.30 mi (7,076.78 km) |
| Mettlach to Maumee (Ohio) | 4,135.18 mi (6,654.93 km) |
| Mettlach to Maumelle (Arkansas) | 4,798.09 mi (7,721.79 km) |
| Mettlach to Mayagüez (Puerto Rico) | 4,544.78 mi (7,314.11 km) |
| Mettlach to Mayfield Heights (Ohio) | 4,051.16 mi (6,519.71 km) |
| Mettlach to Mays Chapel (Maryland) | 3,951.13 mi (6,358.73 km) |
| Mettlach to Maywood (California) | 5,751.06 mi (9,255.44 km) |
| Mettlach to Maywood (Illinois) | 4,280.92 mi (6,889.48 km) |
| Mettlach to McAlester (Oklahoma) | 4,923.92 mi (7,924.29 km) |
| Mettlach to McAllen (Texas) | 5,474.92 mi (8,811.03 km) |
| Mettlach to McCalla (Alabama) | 4,661.98 mi (7,502.74 km) |
| Mettlach to McComb (Mississippi) | 4,903.72 mi (7,891.78 km) |
| Mettlach to McDonough (Georgia) | 4,537.74 mi (7,302.79 km) |
| Mettlach to McFarland (California) | 5,684.32 mi (9,148.02 km) |
| Mettlach to McHenry (Illinois) | 4,276.27 mi (6,881.99 km) |
