| Pont-y-pwl to Marysville (California) | 5,153.04 mi (8,293.01 km) |
| Pont-y-pwl to Marysville (Ohio) | 3,737.69 mi (6,015.24 km) |
| Pont-y-pwl to Marysville (Washington) | 4,664.53 mi (7,506.84 km) |
| Pont-y-pwl to Maryville (Missouri) | 4,177.63 mi (6,723.25 km) |
| Pont-y-pwl to Maryville (Tennessee) | 3,970.93 mi (6,390.60 km) |
| Pont-y-pwl to Mason (Ohio) | 3,815.03 mi (6,139.69 km) |
| Pont-y-pwl to Mason City (Iowa) | 3,981.43 mi (6,407.49 km) |
| Pont-y-pwl to Massapequa (New York) | 3,317.74 mi (5,339.38 km) |
| Pont-y-pwl to Massapequa Park (New York) | 3,316.27 mi (5,337.02 km) |
| Pont-y-pwl to Massillon (Ohio) | 3,639.56 mi (5,857.30 km) |
| Pont-y-pwl to Mastic (New York) | 3,286.03 mi (5,288.36 km) |
| Pont-y-pwl to Mastic Beach (New York) | 3,287.42 mi (5,290.59 km) |
| Pont-y-pwl to Matteson (Illinois) | 3,851.26 mi (6,198.01 km) |
| Pont-y-pwl to Matthews (North Carolina) | 3,866.60 mi (6,222.68 km) |
| Pont-y-pwl to Mattoon (Illinois) | 3,969.67 mi (6,388.57 km) |
