| Irun to Mauldin (South Carolina) | 4,191.39 mi (6,745.39 km) |
| Irun to Maumee (Ohio) | 3,996.35 mi (6,431.50 km) |
| Irun to Maumelle (Arkansas) | 4,650.32 mi (7,483.97 km) |
| Irun to Mayagüez (Puerto Rico) | 4,134.08 mi (6,653.15 km) |
| Irun to Mayfield Heights (Ohio) | 3,900.55 mi (6,277.33 km) |
| Irun to Mays Chapel (Maryland) | 3,756.25 mi (6,045.09 km) |
| Irun to Maywood (California) | 5,760.02 mi (9,269.85 km) |
| Irun to Maywood (Illinois) | 4,166.57 mi (6,705.45 km) |
| Irun to McAlester (Oklahoma) | 4,796.62 mi (7,719.41 km) |
| Irun to McAllen (Texas) | 5,300.10 mi (8,529.68 km) |
| Irun to McCalla (Alabama) | 4,470.83 mi (7,195.11 km) |
| Irun to McComb (Mississippi) | 4,716.85 mi (7,591.04 km) |
| Irun to McDonough (Georgia) | 4,331.20 mi (6,970.39 km) |
| Irun to McFarland (California) | 5,710.68 mi (9,190.45 km) |
| Irun to McHenry (Illinois) | 4,168.37 mi (6,708.35 km) |
