| Morlanwelz-Mariemont to Marysville (California) | 5,429.86 mi (8,738.51 km) |
| Morlanwelz-Mariemont to Marysville (Ohio) | 4,060.97 mi (6,535.50 km) |
| Morlanwelz-Mariemont to Marysville (Washington) | 4,923.20 mi (7,923.13 km) |
| Morlanwelz-Mariemont to Maryville (Missouri) | 4,492.14 mi (7,229.40 km) |
| Morlanwelz-Mariemont to Maryville (Tennessee) | 4,296.72 mi (6,914.90 km) |
| Morlanwelz-Mariemont to Mason (Ohio) | 4,138.48 mi (6,660.23 km) |
| Morlanwelz-Mariemont to Mason City (Iowa) | 4,293.82 mi (6,910.24 km) |
| Morlanwelz-Mariemont to Massapequa (New York) | 3,644.45 mi (5,865.17 km) |
| Morlanwelz-Mariemont to Massapequa Park (New York) | 3,642.98 mi (5,862.81 km) |
| Morlanwelz-Mariemont to Massillon (Ohio) | 3,963.35 mi (6,378.40 km) |
| Morlanwelz-Mariemont to Mastic (New York) | 3,612.82 mi (5,814.27 km) |
| Morlanwelz-Mariemont to Mastic Beach (New York) | 3,614.22 mi (5,816.52 km) |
| Morlanwelz-Mariemont to Matteson (Illinois) | 4,170.48 mi (6,711.75 km) |
| Morlanwelz-Mariemont to Matthews (North Carolina) | 4,193.48 mi (6,748.75 km) |
| Morlanwelz-Mariemont to Mattoon (Illinois) | 4,290.52 mi (6,904.93 km) |
