| Pont-y-pwl to McKeesport (Pennsylvania) | 3,591.74 mi (5,780.34 km) |
| Pont-y-pwl to McKinleyville (California) | 5,123.94 mi (8,246.18 km) |
| Pont-y-pwl to McKinney (Texas) | 4,602.45 mi (7,406.92 km) |
| Pont-y-pwl to McLean (Virginia) | 3,546.15 mi (5,706.97 km) |
| Pont-y-pwl to McMinnville (Oregon) | 4,854.77 mi (7,813.00 km) |
| Pont-y-pwl to McMinnville (Tennessee) | 4,046.93 mi (6,512.91 km) |
| Pont-y-pwl to McNair (Virginia) | 3,554.71 mi (5,720.76 km) |
| Pont-y-pwl to McPherson (Kansas) | 4,379.26 mi (7,047.73 km) |
| Pont-y-pwl to Mead Valley (California) | 5,317.64 mi (8,557.91 km) |
| Pont-y-pwl to Meadow Woods (Florida) | 4,220.90 mi (6,792.88 km) |
| Pont-y-pwl to Meadowbrook (Virginia) | 3,625.85 mi (5,835.24 km) |
| Pont-y-pwl to Meadville (Pennsylvania) | 3,546.31 mi (5,707.23 km) |
| Pont-y-pwl to Mebane (North Carolina) | 3,762.04 mi (6,054.42 km) |
| Pont-y-pwl to Mechanicsville (Virginia) | 3,612.07 mi (5,813.06 km) |
| Pont-y-pwl to Medford (Massachusetts) | 3,147.08 mi (5,064.74 km) |
