| Pontneddfechan to Medford (New York) | 3,267.68 mi (5,258.83 km) |
| Pontneddfechan to Medford (Oregon) | 4,990.39 mi (8,031.25 km) |
| Pontneddfechan to Medina (Ohio) | 3,614.49 mi (5,816.96 km) |
| Pontneddfechan to Medulla (Florida) | 4,244.78 mi (6,831.32 km) |
| Pontneddfechan to Mehlville (Missouri) | 4,069.36 mi (6,549.00 km) |
| Pontneddfechan to Melbourne (Florida) | 4,181.37 mi (6,729.26 km) |
| Pontneddfechan to Melissa (Texas) | 4,570.89 mi (7,356.14 km) |
| Pontneddfechan to Melrose (Massachusetts) | 3,120.24 mi (5,021.54 km) |
| Pontneddfechan to Melrose Park (Illinois) | 3,815.07 mi (6,139.75 km) |
| Pontneddfechan to Melville (New York) | 3,286.79 mi (5,289.58 km) |
| Pontneddfechan to Melvindale (Michigan) | 3,615.63 mi (5,818.79 km) |
| Pontneddfechan to Memphis (Florida) | 4,289.68 mi (6,903.57 km) |
| Pontneddfechan to Memphis (Tennessee) | 4,219.81 mi (6,791.12 km) |
| Pontneddfechan to Menasha (Wisconsin) | 3,732.10 mi (6,006.23 km) |
| Pontneddfechan to Mendota (California) | 5,232.68 mi (8,421.18 km) |
