| Rhyl to Mitchell (South Dakota) | 4,053.03 mi (6,522.72 km) |
| Rhyl to Mitchellville (Maryland) | 3,483.14 mi (5,605.57 km) |
| Rhyl to Moberly (Missouri) | 4,064.44 mi (6,541.08 km) |
| Rhyl to Mobile (Alabama) | 4,338.54 mi (6,982.21 km) |
| Rhyl to Modesto (California) | 5,131.31 mi (8,258.04 km) |
| Rhyl to Mokena (Illinois) | 3,791.27 mi (6,101.45 km) |
| Rhyl to Moline (Illinois) | 3,891.32 mi (6,262.48 km) |
| Rhyl to Moncks Corner (South Carolina) | 3,887.86 mi (6,256.91 km) |
| Rhyl to Monfort Heights (Ohio) | 3,778.20 mi (6,080.43 km) |
| Rhyl to Monmouth (Oregon) | 4,779.64 mi (7,692.09 km) |
| Rhyl to Monroe (Georgia) | 4,005.57 mi (6,446.33 km) |
| Rhyl to Monroe (Louisiana) | 4,399.53 mi (7,080.36 km) |
| Rhyl to Monroe (Michigan) | 3,602.84 mi (5,798.21 km) |
| Rhyl to Monroe (North Carolina) | 3,819.91 mi (6,147.55 km) |
| Rhyl to Monroe (Ohio) | 3,756.31 mi (6,045.20 km) |
