| Holyhead to Middletown (Ohio) | 3,709.10 mi (5,969.23 km) |
| Holyhead to Midland (Michigan) | 3,513.59 mi (5,654.57 km) |
| Holyhead to Midland (Texas) | 4,763.68 mi (7,666.40 km) |
| Holyhead to Midlothian (Illinois) | 3,737.95 mi (6,015.65 km) |
| Holyhead to Midlothian (Texas) | 4,547.18 mi (7,317.97 km) |
| Holyhead to Midlothian (Virginia) | 3,538.34 mi (5,694.40 km) |
| Holyhead to Midvale (Utah) | 4,643.48 mi (7,472.96 km) |
| Holyhead to Midway (Florida) | 4,262.49 mi (6,859.82 km) |
| Holyhead to Midwest City (Oklahoma) | 4,406.06 mi (7,090.87 km) |
| Holyhead to Milford (Delaware) | 3,382.60 mi (5,443.77 km) |
| Holyhead to Milford city (Connecticut) | 3,183.74 mi (5,123.73 km) |
| Holyhead to Milford Mill (Maryland) | 3,416.56 mi (5,498.42 km) |
| Holyhead to Mililani Mauka (Hawaii) | 7,029.39 mi (11,312.71 km) |
| Holyhead to Mililani Town (Hawaii) | 7,031.67 mi (11,316.38 km) |
| Holyhead to Mill Creek (Washington) | 4,549.98 mi (7,322.48 km) |
