| Pontneddfechan to Monticello (Minnesota) | 3,881.47 mi (6,246.62 km) |
| Pontneddfechan to Montrose (Colorado) | 4,721.83 mi (7,599.05 km) |
| Pontneddfechan to Moody (Alabama) | 4,153.56 mi (6,684.51 km) |
| Pontneddfechan to Moore (Oklahoma) | 4,502.84 mi (7,246.63 km) |
| Pontneddfechan to Moorestown-Lenola (New Jersey) | 3,385.98 mi (5,449.21 km) |
| Pontneddfechan to Mooresville (North Carolina) | 3,825.99 mi (6,157.33 km) |
| Pontneddfechan to Moorhead (Minnesota) | 3,913.78 mi (6,298.61 km) |
| Pontneddfechan to Moorpark (California) | 5,324.31 mi (8,568.65 km) |
| Pontneddfechan to Moraga (California) | 5,224.94 mi (8,408.72 km) |
| Pontneddfechan to Moreno Valley (California) | 5,289.32 mi (8,512.33 km) |
| Pontneddfechan to Morgan City (Louisiana) | 4,538.86 mi (7,304.59 km) |
| Pontneddfechan to Morgan Hill (California) | 5,250.77 mi (8,450.30 km) |
| Pontneddfechan to Morganton (North Carolina) | 3,854.60 mi (6,203.38 km) |
| Pontneddfechan to Morgantown (West Virginia) | 3,603.96 mi (5,800.01 km) |
| Pontneddfechan to Morris (Illinois) | 3,861.18 mi (6,213.97 km) |
