| Holyhead to Mill Creek East (Washington) | 4,551.07 mi (7,324.24 km) |
| Holyhead to Mill Valley (California) | 5,127.82 mi (8,252.43 km) |
| Holyhead to Millbrae (California) | 5,141.49 mi (8,274.43 km) |
| Holyhead to Millbrook (Alabama) | 4,130.66 mi (6,647.65 km) |
| Holyhead to Millcreek (Utah) | 4,637.39 mi (7,463.15 km) |
| Holyhead to Milledgeville (Georgia) | 3,976.00 mi (6,398.75 km) |
| Holyhead to Miller Place (New York) | 3,193.38 mi (5,139.24 km) |
| Holyhead to Millington (Tennessee) | 4,127.32 mi (6,642.28 km) |
| Holyhead to Millville (New Jersey) | 3,345.88 mi (5,384.67 km) |
| Holyhead to Milpitas (California) | 5,135.67 mi (8,265.06 km) |
| Holyhead to Milton (Georgia) | 3,966.95 mi (6,384.19 km) |
| Holyhead to Milwaukee (Wisconsin) | 3,679.84 mi (5,922.13 km) |
| Holyhead to Milwaukie (Oregon) | 4,698.13 mi (7,560.92 km) |
| Holyhead to Minden (Louisiana) | 4,396.43 mi (7,075.37 km) |
| Holyhead to Mineola (New York) | 3,228.01 mi (5,194.98 km) |
