| Pencoed to Morristown (New Jersey) | 3,338.08 mi (5,372.12 km) |
| Pencoed to Morristown (Tennessee) | 3,906.54 mi (6,286.96 km) |
| Pencoed to Morrisville (North Carolina) | 3,739.34 mi (6,017.88 km) |
| Pencoed to Morro Bay (California) | 5,339.92 mi (8,593.78 km) |
| Pencoed to Morton (Illinois) | 3,946.71 mi (6,351.61 km) |
| Pencoed to Morton Grove (Illinois) | 3,816.03 mi (6,141.31 km) |
| Pencoed to Moscow (Idaho) | 4,589.24 mi (7,385.67 km) |
| Pencoed to Moses Lake (Washington) | 4,633.76 mi (7,457.32 km) |
| Pencoed to Moss Bluff (Louisiana) | 4,598.68 mi (7,400.86 km) |
| Pencoed to Moss Point (Mississippi) | 4,401.69 mi (7,083.83 km) |
| Pencoed to Moultrie (Georgia) | 4,168.04 mi (6,707.81 km) |
| Pencoed to Mounds View (Minnesota) | 3,880.29 mi (6,244.72 km) |
| Pencoed to Mount Airy (North Carolina) | 3,782.06 mi (6,086.64 km) |
| Pencoed to Mount Clemens (Michigan) | 3,599.67 mi (5,793.10 km) |
| Pencoed to Mount Dora (Florida) | 4,193.64 mi (6,749.02 km) |
