| Holyhead to Madison (New Jersey) | 3,258.64 mi (5,244.28 km) |
| Holyhead to Madison (Wisconsin) | 3,732.09 mi (6,006.22 km) |
| Holyhead to Madison Heights (Michigan) | 3,521.06 mi (5,666.60 km) |
| Holyhead to Madison Heights (Virginia) | 3,598.38 mi (5,791.03 km) |
| Holyhead to Madisonville (Kentucky) | 3,935.02 mi (6,332.80 km) |
| Holyhead to Magalia (California) | 4,989.87 mi (8,030.42 km) |
| Holyhead to Magna (Utah) | 4,644.07 mi (7,473.91 km) |
| Holyhead to Magnolia (Arkansas) | 4,360.63 mi (7,017.75 km) |
| Holyhead to Maili (Hawaii) | 7,036.61 mi (11,324.32 km) |
| Holyhead to Maitland (Florida) | 4,124.93 mi (6,638.44 km) |
| Holyhead to Makakilo (Hawaii) | 7,038.65 mi (11,327.62 km) |
| Holyhead to Malden (Massachusetts) | 3,051.13 mi (4,910.32 km) |
| Holyhead to Malibu (California) | 5,233.42 mi (8,422.38 km) |
| Holyhead to Maltby (Washington) | 4,550.70 mi (7,323.65 km) |
| Holyhead to Malvern (Arkansas) | 4,288.94 mi (6,902.39 km) |
