| Omagh to Ashwaubenon (Wisconsin) | 3,483.67 mi (5,606.42 km) |
| Omagh to Aspen Hill (Maryland) | 3,315.71 mi (5,336.13 km) |
| Omagh to Astoria (Oregon) | 4,550.24 mi (7,322.90 km) |
| Omagh to Atascadero (California) | 5,071.24 mi (8,161.38 km) |
| Omagh to Atascocita (Texas) | 4,478.10 mi (7,206.81 km) |
| Omagh to Atchison (Kansas) | 3,979.48 mi (6,404.35 km) |
| Omagh to Athens (Alabama) | 3,911.17 mi (6,294.43 km) |
| Omagh to Athens (Georgia) | 3,813.47 mi (6,137.19 km) |
| Omagh to Athens (Ohio) | 3,500.02 mi (5,632.74 km) |
| Omagh to Athens (Tennessee) | 3,786.29 mi (6,093.44 km) |
| Omagh to Athens (Texas) | 4,384.62 mi (7,056.36 km) |
| Omagh to Atlanta (Georgia) | 3,864.25 mi (6,218.92 km) |
| Omagh to Atlantic Beach (Florida) | 3,920.18 mi (6,308.93 km) |
| Omagh to Atlantic City (New Jersey) | 3,198.79 mi (5,147.95 km) |
| Omagh to Attleboro (Massachusetts) | 2,958.17 mi (4,760.72 km) |
