| Cincinnati to Cadiz | 4,131.27 mi (6,648.64 km) |
| Cincinnati to Calafell | 4,345.13 mi (6,992.81 km) |
| Cincinnati to Calahorra | 4,148.73 mi (6,676.73 km) |
| Cincinnati to Calasparra | 4,295.21 mi (6,912.47 km) |
| Cincinnati to Calatayud | 4,194.48 mi (6,750.36 km) |
| Cincinnati to Caldas de Montbuy | 4,357.27 mi (7,012.36 km) |
| Cincinnati to Caldas de Reyes | 3,833.37 mi (6,169.21 km) |
| Cincinnati to Calella | 4,380.07 mi (7,049.05 km) |
| Cincinnati to Callosa de Segura | 4,337.61 mi (6,980.70 km) |
| Cincinnati to Calpe | 4,362.90 mi (7,021.41 km) |
| Cincinnati to Calvia | 4,444.53 mi (7,152.77 km) |
| Cincinnati to Camas | 4,115.65 mi (6,623.50 km) |
| Cincinnati to Cambados | 3,828.76 mi (6,161.79 km) |
| Cincinnati to Cambre | 3,828.40 mi (6,161.21 km) |
| Cincinnati to Cambrils | 4,326.45 mi (6,962.75 km) |
