| Cincinnati to Cocentaina | 4,336.80 mi (6,979.40 km) |
| Cincinnati to Coin | 4,202.11 mi (6,762.65 km) |
| Cincinnati to Colindres | 4,047.58 mi (6,513.96 km) |
| Cincinnati to Collado-Villalba | 4,107.83 mi (6,610.92 km) |
| Cincinnati to Colmenar Viejo | 4,118.31 mi (6,627.77 km) |
| Cincinnati to Colmenarejo | 4,109.73 mi (6,613.98 km) |
| Cincinnati to Conil de la Frontera | 4,150.61 mi (6,679.77 km) |
| Cincinnati to Consuegra | 4,164.32 mi (6,701.82 km) |
| Cincinnati to Corbera de Llobregat | 4,354.06 mi (7,007.18 km) |
| Cincinnati to Cordoba | 4,160.22 mi (6,695.23 km) |
| Cincinnati to Coria del Rio | 4,118.72 mi (6,628.44 km) |
| Cincinnati to Crevillente | 4,336.60 mi (6,979.08 km) |
| Cincinnati to Cuarte de Huerva | 4,219.57 mi (6,790.75 km) |
| Cincinnati to Cubellas | 4,349.51 mi (6,999.87 km) |
| Cincinnati to Cuellar | 4,069.52 mi (6,549.26 km) |
