| Montclair to Maryland Heights (Missouri) | 1,541.68 mi (2,481.10 km) |
| Montclair to Marysville (California) | 411.78 mi (662.69 km) |
| Montclair to Marysville (Ohio) | 1,925.61 mi (3,098.96 km) |
| Montclair to Marysville (Washington) | 994.97 mi (1,601.24 km) |
| Montclair to Maryville (Missouri) | 1,324.32 mi (2,131.28 km) |
| Montclair to Maryville (Tennessee) | 1,904.67 mi (3,065.28 km) |
| Montclair to Mason (Ohio) | 1,874.30 mi (3,016.40 km) |
| Montclair to Mason City (Iowa) | 1,456.59 mi (2,344.16 km) |
| Montclair to Massapequa (New York) | 2,444.69 mi (3,934.34 km) |
| Montclair to Massapequa Park (New York) | 2,445.72 mi (3,936.01 km) |
| Montclair to Massillon (Ohio) | 2,022.99 mi (3,255.69 km) |
| Montclair to Mastic (New York) | 2,476.55 mi (3,985.62 km) |
| Montclair to Mastic Beach (New York) | 2,477.33 mi (3,986.88 km) |
| Montclair to Matteson (Illinois) | 1,704.36 mi (2,742.91 km) |
| Montclair to Matthews (North Carolina) | 2,092.83 mi (3,368.08 km) |
