| Omagh to Crest Hill (Illinois) | 3,621.41 mi (5,828.10 km) |
| Omagh to Crestview (Florida) | 4,103.21 mi (6,603.48 km) |
| Omagh to Crestwood (Illinois) | 3,604.01 mi (5,800.09 km) |
| Omagh to Crestwood (Missouri) | 3,853.29 mi (6,201.27 km) |
| Omagh to Creve Coeur (Missouri) | 3,850.51 mi (6,196.79 km) |
| Omagh to Crofton (Maryland) | 3,303.59 mi (5,316.61 km) |
| Omagh to Crossville (Tennessee) | 3,778.13 mi (6,080.31 km) |
| Omagh to Crowley (Louisiana) | 4,356.89 mi (7,011.74 km) |
| Omagh to Crowley (Texas) | 4,422.43 mi (7,117.22 km) |
| Omagh to Crown Point (Indiana) | 3,600.29 mi (5,794.11 km) |
| Omagh to Crystal (Minnesota) | 3,647.36 mi (5,869.86 km) |
| Omagh to Crystal Lake (Illinois) | 3,598.18 mi (5,790.71 km) |
| Omagh to Cudahy (California) | 5,078.68 mi (8,173.34 km) |
| Omagh to Cudahy (Wisconsin) | 3,546.97 mi (5,708.30 km) |
| Omagh to Cullman (Alabama) | 3,937.62 mi (6,336.99 km) |
