| Holyhead to Marietta (Georgia) | 3,985.08 mi (6,413.36 km) |
| Holyhead to Marietta (Ohio) | 3,598.58 mi (5,791.35 km) |
| Holyhead to Marina (California) | 5,175.93 mi (8,329.86 km) |
| Holyhead to Marinette (Wisconsin) | 3,574.66 mi (5,752.87 km) |
| Holyhead to Marion (Arkansas) | 4,145.83 mi (6,672.07 km) |
| Holyhead to Marion (Illinois) | 3,971.43 mi (6,391.40 km) |
| Holyhead to Marion (Indiana) | 3,709.84 mi (5,970.41 km) |
| Holyhead to Marion (Iowa) | 3,862.42 mi (6,215.96 km) |
| Holyhead to Marion (Ohio) | 3,609.53 mi (5,808.97 km) |
| Holyhead to Marion Oaks (Florida) | 4,139.56 mi (6,661.98 km) |
| Holyhead to Markham (Illinois) | 3,737.86 mi (6,015.51 km) |
| Holyhead to Marlborough (Massachusetts) | 3,074.20 mi (4,947.45 km) |
| Holyhead to Marlton (New Jersey) | 3,317.62 mi (5,339.20 km) |
| Holyhead to Marquette (Michigan) | 3,501.08 mi (5,634.44 km) |
| Holyhead to Marrero (Louisiana) | 4,413.06 mi (7,102.13 km) |
