| Canals to Marysville (California) | 5,875.71 mi (9,456.04 km) |
| Canals to Marysville (Ohio) | 4,232.99 mi (6,812.35 km) |
| Canals to Marysville (Washington) | 5,437.83 mi (8,751.34 km) |
| Canals to Maryville (Missouri) | 4,748.75 mi (7,642.38 km) |
| Canals to Maryville (Tennessee) | 4,415.04 mi (7,105.31 km) |
| Canals to Mason (Ohio) | 4,305.84 mi (6,929.58 km) |
| Canals to Mason City (Iowa) | 4,571.37 mi (7,356.91 km) |
| Canals to Massapequa (New York) | 3,752.80 mi (6,039.55 km) |
| Canals to Massapequa Park (New York) | 3,751.40 mi (6,037.29 km) |
| Canals to Massillon (Ohio) | 4,129.86 mi (6,646.37 km) |
| Canals to Mastic (New York) | 3,719.00 mi (5,985.15 km) |
| Canals to Mastic Beach (New York) | 3,719.66 mi (5,986.22 km) |
| Canals to Matteson (Illinois) | 4,390.24 mi (7,065.41 km) |
| Canals to Matthews (North Carolina) | 4,277.78 mi (6,884.43 km) |
| Canals to Mattoon (Illinois) | 4,489.19 mi (7,224.65 km) |
