| Omaha to Cortona | 5,084.16 mi (8,182.17 km) |
| Omaha to Cosenza | 5,433.51 mi (8,744.39 km) |
| Omaha to Cossato | 4,838.01 mi (7,786.02 km) |
| Omaha to Costa Volpino | 4,898.16 mi (7,882.82 km) |
| Omaha to Creazzo | 4,962.25 mi (7,985.97 km) |
| Omaha to Crema | 4,903.43 mi (7,891.31 km) |
| Omaha to Cremona | 4,926.85 mi (7,928.99 km) |
| Omaha to Crevalcore | 4,987.04 mi (8,025.86 km) |
| Omaha to Crispiano | 5,406.86 mi (8,701.49 km) |
| Omaha to Crosia | 5,440.02 mi (8,754.86 km) |
| Omaha to Crotone | 5,476.89 mi (8,814.21 km) |
| Omaha to Cuneo | 4,866.27 mi (7,831.51 km) |
| Omaha to Cuorgne | 4,826.27 mi (7,767.12 km) |
| Omaha to Cusano Milanino | 4,876.72 mi (7,848.32 km) |
| Omaha to Cutro | 5,474.31 mi (8,810.04 km) |
