| Omagh to Cottage Grove (Oregon) | 4,665.61 mi (7,508.57 km) |
| Omagh to Cottage Lake (Washington) | 4,415.10 mi (7,105.41 km) |
| Omagh to Cottonwood (Arizona) | 4,831.31 mi (7,775.25 km) |
| Omagh to Cottonwood Heights (Utah) | 4,501.47 mi (7,244.41 km) |
| Omagh to Council Bluffs (Iowa) | 3,921.57 mi (6,311.16 km) |
| Omagh to Country Club (Florida) | 4,105.76 mi (6,607.59 km) |
| Omagh to Country Club Hills (Illinois) | 3,607.36 mi (5,805.49 km) |
| Omagh to Country Walk (Florida) | 4,127.05 mi (6,641.85 km) |
| Omagh to Covina (California) | 5,061.67 mi (8,145.98 km) |
| Omagh to Covington (Georgia) | 3,849.66 mi (6,195.43 km) |
| Omagh to Covington (Kentucky) | 3,607.24 mi (5,805.29 km) |
| Omagh to Covington (Louisiana) | 4,255.28 mi (6,848.21 km) |
| Omagh to Covington (Washington) | 4,437.18 mi (7,140.95 km) |
| Omagh to Cranston (Rhode Island) | 2,973.04 mi (4,784.65 km) |
| Omagh to Crawfordsville (Indiana) | 3,649.25 mi (5,872.90 km) |
