| Omaha to Cernavoda | 5,583.81 mi (8,986.27 km) |
| Omaha to Chitila | 5,510.06 mi (8,867.58 km) |
| Omaha to Cisnadie | 5,388.68 mi (8,672.24 km) |
| Omaha to Cluj-Napoca | 5,316.35 mi (8,555.84 km) |
| Omaha to Codlea | 5,430.62 mi (8,739.75 km) |
| Omaha to Comanesti | 5,423.54 mi (8,728.34 km) |
| Omaha to Comarnic | 5,460.01 mi (8,787.04 km) |
| Omaha to Constanta | 5,611.66 mi (9,031.10 km) |
| Omaha to Corabia | 5,500.64 mi (8,852.43 km) |
| Omaha to Costesti | 5,466.25 mi (8,797.07 km) |
| Omaha to Covasna | 5,445.90 mi (8,764.32 km) |
| Omaha to Craiova | 5,449.09 mi (8,769.46 km) |
| Omaha to Cristuru Secuiesc | 5,386.74 mi (8,669.12 km) |
| Omaha to Cugir | 5,356.63 mi (8,620.67 km) |
| Omaha to Cumpana | 5,612.16 mi (9,031.90 km) |
