| Omagh to Mauldin (South Carolina) | 3,729.97 mi (6,002.81 km) |
| Omagh to Maumee (Ohio) | 3,453.97 mi (5,558.63 km) |
| Omagh to Maumelle (Arkansas) | 4,116.79 mi (6,625.33 km) |
| Omagh to Mayagüez (Puerto Rico) | 4,002.21 mi (6,440.94 km) |
| Omagh to Mayfield Heights (Ohio) | 3,372.05 mi (5,426.79 km) |
| Omagh to Mays Chapel (Maryland) | 3,282.76 mi (5,283.09 km) |
| Omagh to Maywood (California) | 5,077.37 mi (8,171.24 km) |
| Omagh to Maywood (Illinois) | 3,596.74 mi (5,788.39 km) |
| Omagh to McAlester (Oklahoma) | 4,240.09 mi (6,823.77 km) |
| Omagh to McAllen (Texas) | 4,796.60 mi (7,719.38 km) |
| Omagh to McCalla (Alabama) | 3,989.50 mi (6,420.48 km) |
| Omagh to McComb (Mississippi) | 4,229.40 mi (6,806.56 km) |
| Omagh to McDonough (Georgia) | 3,869.95 mi (6,228.09 km) |
| Omagh to McFarland (California) | 5,014.67 mi (8,070.33 km) |
| Omagh to McHenry (Illinois) | 3,591.62 mi (5,780.15 km) |
