| Omaha to Cocentaina | 4,779.91 mi (7,692.53 km) |
| Omaha to Coin | 4,674.76 mi (7,523.30 km) |
| Omaha to Colindres | 4,466.23 mi (7,187.71 km) |
| Omaha to Collado-Villalba | 4,549.77 mi (7,322.15 km) |
| Omaha to Colmenar Viejo | 4,559.23 mi (7,337.36 km) |
| Omaha to Colmenarejo | 4,552.24 mi (7,326.13 km) |
| Omaha to Conil de la Frontera | 4,630.45 mi (7,451.99 km) |
| Omaha to Consuegra | 4,613.50 mi (7,424.71 km) |
| Omaha to Corbera de Llobregat | 4,769.04 mi (7,675.03 km) |
| Omaha to Cordoba | 4,624.63 mi (7,442.63 km) |
| Omaha to Coria del Rio | 4,591.58 mi (7,389.43 km) |
| Omaha to Crevillente | 4,784.53 mi (7,699.96 km) |
| Omaha to Cuarte de Huerva | 4,643.62 mi (7,473.18 km) |
| Omaha to Cubellas | 4,767.00 mi (7,671.74 km) |
| Omaha to Cuellar | 4,506.69 mi (7,252.82 km) |
