| Omagh to McKeesport (Pennsylvania) | 3,364.80 mi (5,415.13 km) |
| Omagh to McKinleyville (California) | 4,858.23 mi (7,818.56 km) |
| Omagh to McKinney (Texas) | 4,363.63 mi (7,022.58 km) |
| Omagh to McLean (Virginia) | 3,327.13 mi (5,354.49 km) |
| Omagh to McMinnville (Oregon) | 4,588.81 mi (7,384.98 km) |
| Omagh to McMinnville (Tennessee) | 3,820.56 mi (6,148.60 km) |
| Omagh to McNair (Virginia) | 3,335.29 mi (5,367.62 km) |
| Omagh to McPherson (Kansas) | 4,131.89 mi (6,649.64 km) |
| Omagh to Mead Valley (California) | 5,056.89 mi (8,138.27 km) |
| Omagh to Meadow Woods (Florida) | 4,019.57 mi (6,468.87 km) |
| Omagh to Meadowbrook (Virginia) | 3,410.22 mi (5,488.22 km) |
| Omagh to Meadville (Pennsylvania) | 3,315.86 mi (5,336.36 km) |
| Omagh to Mebane (North Carolina) | 3,546.39 mi (5,707.36 km) |
| Omagh to Mechanicsville (Virginia) | 3,396.15 mi (5,465.58 km) |
| Omagh to Medford (Massachusetts) | 2,929.09 mi (4,713.91 km) |
