| Omagh to Camas (Washington) | 4,545.61 mi (7,315.45 km) |
| Omagh to Cambridge (Maryland) | 3,301.77 mi (5,313.68 km) |
| Omagh to Cambridge (Massachusetts) | 2,931.56 mi (4,717.89 km) |
| Omagh to Camden (Arkansas) | 4,200.04 mi (6,759.31 km) |
| Omagh to Camden (New Jersey) | 3,198.73 mi (5,147.86 km) |
| Omagh to Cameron Park (California) | 4,897.57 mi (7,881.88 km) |
| Omagh to Camp Pendleton South (California) | 5,094.56 mi (8,198.90 km) |
| Omagh to Camp Springs (Maryland) | 3,322.88 mi (5,347.66 km) |
| Omagh to Camp Verde (Arizona) | 4,834.72 mi (7,780.72 km) |
| Omagh to Campbell (California) | 5,006.86 mi (8,057.77 km) |
| Omagh to Campbellsville (Kentucky) | 3,721.70 mi (5,989.49 km) |
| Omagh to Campton Hills (Illinois) | 3,614.71 mi (5,817.32 km) |
| Omagh to Canby (Oregon) | 4,571.72 mi (7,357.46 km) |
| Omagh to Candelaria (Puerto Rico) | 3,955.11 mi (6,365.14 km) |
| Omagh to Candler-McAfee (Georgia) | 3,860.21 mi (6,212.41 km) |
