| Omagh to Commerce City (Colorado) | 4,308.51 mi (6,933.88 km) |
| Omagh to Compton (California) | 5,084.11 mi (8,182.09 km) |
| Omagh to Comstock Park (Michigan) | 3,461.11 mi (5,570.12 km) |
| Omagh to Concord (California) | 4,968.47 mi (7,995.98 km) |
| Omagh to Concord (Missouri) | 3,854.75 mi (6,203.62 km) |
| Omagh to Concord (New Hampshire) | 2,911.51 mi (4,685.63 km) |
| Omagh to Concord (North Carolina) | 3,634.12 mi (5,848.54 km) |
| Omagh to Conneaut (Ohio) | 3,319.17 mi (5,341.69 km) |
| Omagh to Connersville (Indiana) | 3,601.02 mi (5,795.28 km) |
| Omagh to Conroe (Texas) | 4,470.71 mi (7,194.92 km) |
| Omagh to Converse (Texas) | 4,621.69 mi (7,437.89 km) |
| Omagh to Conway (Arkansas) | 4,107.97 mi (6,611.14 km) |
| Omagh to Conway (Florida) | 4,012.34 mi (6,457.24 km) |
| Omagh to Conway (South Carolina) | 3,648.32 mi (5,871.40 km) |
| Omagh to Conyers (Georgia) | 3,852.54 mi (6,200.07 km) |
