| Omagh to Chickasha (Oklahoma) | 4,314.92 mi (6,944.19 km) |
| Omagh to Chico (California) | 4,860.43 mi (7,822.10 km) |
| Omagh to Chicopee (Massachusetts) | 2,997.48 mi (4,823.99 km) |
| Omagh to Chillicothe (Ohio) | 3,533.97 mi (5,687.38 km) |
| Omagh to Chillum (Maryland) | 3,317.59 mi (5,339.15 km) |
| Omagh to Chino (California) | 5,060.72 mi (8,144.45 km) |
| Omagh to Chino Hills (California) | 5,064.54 mi (8,150.59 km) |
| Omagh to Chino Valley (Arizona) | 4,842.98 mi (7,794.02 km) |
| Omagh to Chippewa Falls (Wisconsin) | 3,581.97 mi (5,764.62 km) |
| Omagh to Choctaw (Oklahoma) | 4,266.82 mi (6,866.78 km) |
| Omagh to Chowchilla (California) | 4,963.97 mi (7,988.74 km) |
| Omagh to Christiansburg (Virginia) | 3,539.33 mi (5,696.00 km) |
| Omagh to Chubbuck (Idaho) | 4,396.97 mi (7,076.24 km) |
| Omagh to Chula Vista (California) | 5,116.53 mi (8,234.26 km) |
| Omagh to Cibolo (Texas) | 4,615.11 mi (7,427.30 km) |
