| Omaha to Clacton-on-Sea | 4,326.30 mi (6,962.50 km) |
| Omaha to Clay Cross | 4,184.87 mi (6,734.89 km) |
| Omaha to Clayton | 4,149.05 mi (6,677.25 km) |
| Omaha to Clayton le Moors | 4,129.10 mi (6,645.15 km) |
| Omaha to Cleckheaton | 4,154.36 mi (6,685.80 km) |
| Omaha to Cleethorpes | 4,220.18 mi (6,791.72 km) |
| Omaha to Clevedon | 4,193.21 mi (6,748.33 km) |
| Omaha to Clifton | 4,202.47 mi (6,763.22 km) |
| Omaha to Clifton | 4,167.60 mi (6,707.10 km) |
| Omaha to Cliftonville | 4,350.82 mi (7,001.97 km) |
| Omaha to Clitheroe | 4,125.54 mi (6,639.42 km) |
| Omaha to Clydebank | 3,988.51 mi (6,418.88 km) |
| Omaha to Coalville | 4,201.98 mi (6,762.43 km) |
| Omaha to Coatbridge | 4,002.56 mi (6,441.49 km) |
| Omaha to Cobham | 4,287.15 mi (6,899.51 km) |
