| Omagh to Allouez (Wisconsin) | 3,481.71 mi (5,603.27 km) |
| Omagh to Aloha (Oregon) | 4,564.02 mi (7,345.08 km) |
| Omagh to Alpena (Michigan) | 3,285.08 mi (5,286.82 km) |
| Omagh to Alpharetta (Georgia) | 3,842.93 mi (6,184.59 km) |
| Omagh to Alpine (California) | 5,095.81 mi (8,200.92 km) |
| Omagh to Alpine (Utah) | 4,508.30 mi (7,255.40 km) |
| Omagh to Alsip (Illinois) | 3,602.72 mi (5,798.02 km) |
| Omagh to Altadena (California) | 5,064.02 mi (8,149.76 km) |
| Omagh to Altamont (Oregon) | 4,718.48 mi (7,593.66 km) |
| Omagh to Altamonte Springs (Florida) | 4,006.30 mi (6,447.52 km) |
| Omagh to Alton (Illinois) | 3,827.61 mi (6,159.94 km) |
| Omagh to Alton (Texas) | 4,795.59 mi (7,717.75 km) |
| Omagh to Altoona (Iowa) | 3,815.40 mi (6,140.29 km) |
| Omagh to Altoona (Pennsylvania) | 3,301.02 mi (5,312.47 km) |
| Omagh to Altus (Oklahoma) | 4,385.20 mi (7,057.29 km) |
