| Gateway to Marysville (California) | 2,446.64 mi (3,937.49 km) |
| Gateway to Marysville (Ohio) | 947.57 mi (1,524.96 km) |
| Gateway to Marysville (Washington) | 2,626.55 mi (4,227.02 km) |
| Gateway to Maryville (Missouri) | 1,212.27 mi (1,950.97 km) |
| Gateway to Maryville (Tennessee) | 646.98 mi (1,041.21 km) |
| Gateway to Mason (Ohio) | 895.11 mi (1,440.54 km) |
| Gateway to Mason City (Iowa) | 1,313.26 mi (2,113.50 km) |
| Gateway to Massapequa (New York) | 1,082.29 mi (1,741.77 km) |
| Gateway to Massapequa Park (New York) | 1,083.67 mi (1,743.99 km) |
| Gateway to Massillon (Ohio) | 981.52 mi (1,579.60 km) |
| Gateway to Mastic (New York) | 1,106.79 mi (1,781.20 km) |
| Gateway to Mastic Beach (New York) | 1,104.49 mi (1,777.51 km) |
| Gateway to Matteson (Illinois) | 1,086.56 mi (1,748.65 km) |
| Gateway to Matthews (North Carolina) | 593.24 mi (954.73 km) |
| Gateway to Mattoon (Illinois) | 969.37 mi (1,560.06 km) |
