| Mack to Marysville (California) | 1,963.42 mi (3,159.83 km) |
| Mack to Marysville (Ohio) | 102.37 mi (164.75 km) |
| Mack to Marysville (Washington) | 1,951.48 mi (3,140.61 km) |
| Mack to Maryville (Missouri) | 547.31 mi (880.81 km) |
| Mack to Maryville (Tennessee) | 238.20 mi (383.35 km) |
| Mack to Mason (Ohio) | 24.77 mi (39.86 km) |
| Mack to Mason City (Iowa) | 521.97 mi (840.02 km) |
| Mack to Massapequa (New York) | 602.82 mi (970.14 km) |
| Mack to Massapequa Park (New York) | 604.02 mi (972.07 km) |
| Mack to Massillon (Ohio) | 201.60 mi (324.44 km) |
| Mack to Mastic (New York) | 636.31 mi (1,024.04 km) |
| Mack to Mastic Beach (New York) | 636.55 mi (1,024.43 km) |
| Mack to Matteson (Illinois) | 229.53 mi (369.40 km) |
| Mack to Matthews (North Carolina) | 353.93 mi (569.59 km) |
| Mack to Mattoon (Illinois) | 198.16 mi (318.91 km) |
