| Omaha to Cividale del Friuli | 5,006.62 mi (8,057.38 km) |
| Omaha to Civita Castellana | 5,145.37 mi (8,280.68 km) |
| Omaha to Civitanova Marche | 5,147.94 mi (8,284.81 km) |
| Omaha to Civitavecchia | 5,131.30 mi (8,258.04 km) |
| Omaha to Civitella in Val di Chiana | 5,067.49 mi (8,155.35 km) |
| Omaha to Clusone | 4,890.32 mi (7,870.21 km) |
| Omaha to Coccaglio | 4,905.61 mi (7,894.82 km) |
| Omaha to Codigoro | 5,017.34 mi (8,074.64 km) |
| Omaha to Codogno | 4,913.44 mi (7,907.42 km) |
| Omaha to Codroipo | 4,996.75 mi (8,041.49 km) |
| Omaha to Cogoleto | 4,907.80 mi (7,898.33 km) |
| Omaha to Colle di Val d'Elsa | 5,046.33 mi (8,121.28 km) |
| Omaha to Colle Salvetti | 5,012.70 mi (8,067.16 km) |
| Omaha to Collecchio | 4,950.84 mi (7,967.61 km) |
| Omaha to Colleferro | 5,194.61 mi (8,359.91 km) |
