| Pontneddfechan to Morristown (New Jersey) | 3,330.11 mi (5,359.29 km) |
| Pontneddfechan to Morristown (Tennessee) | 3,898.25 mi (6,273.62 km) |
| Pontneddfechan to Morrisville (North Carolina) | 3,731.88 mi (6,005.88 km) |
| Pontneddfechan to Morro Bay (California) | 5,326.52 mi (8,572.21 km) |
| Pontneddfechan to Morton (Illinois) | 3,936.56 mi (6,335.29 km) |
| Pontneddfechan to Morton Grove (Illinois) | 3,805.83 mi (6,124.89 km) |
| Pontneddfechan to Moscow (Idaho) | 4,575.11 mi (7,362.93 km) |
| Pontneddfechan to Moses Lake (Washington) | 4,619.40 mi (7,434.20 km) |
| Pontneddfechan to Moss Bluff (Louisiana) | 4,589.91 mi (7,386.75 km) |
| Pontneddfechan to Moss Point (Mississippi) | 4,393.69 mi (7,070.97 km) |
| Pontneddfechan to Moultrie (Georgia) | 4,160.74 mi (6,696.07 km) |
| Pontneddfechan to Mounds View (Minnesota) | 3,868.81 mi (6,226.24 km) |
| Pontneddfechan to Mount Airy (North Carolina) | 3,774.15 mi (6,073.90 km) |
| Pontneddfechan to Mount Clemens (Michigan) | 3,590.01 mi (5,777.56 km) |
| Pontneddfechan to Mount Dora (Florida) | 4,187.24 mi (6,738.71 km) |
