| Omaha to Collegno | 4,836.90 mi (7,784.24 km) |
| Omaha to Cologno al Serio | 4,894.43 mi (7,876.82 km) |
| Omaha to Cologno Monzese | 4,881.20 mi (7,855.53 km) |
| Omaha to Colorno | 4,948.82 mi (7,964.35 km) |
| Omaha to Comacchio | 5,025.90 mi (8,088.41 km) |
| Omaha to Comiso | 5,483.53 mi (8,824.89 km) |
| Omaha to Como | 4,861.63 mi (7,824.03 km) |
| Omaha to Concordia Sagittaria | 5,001.12 mi (8,048.53 km) |
| Omaha to Concorezzo | 4,880.64 mi (7,854.63 km) |
| Omaha to Conegliano | 4,975.71 mi (8,007.63 km) |
| Omaha to Conselice | 5,021.41 mi (8,081.18 km) |
| Omaha to Conselve | 4,989.90 mi (8,030.47 km) |
| Omaha to Conversano | 5,384.60 mi (8,665.68 km) |
| Omaha to Copertino | 5,453.41 mi (8,776.42 km) |
| Omaha to Copparo | 5,003.89 mi (8,052.99 km) |
