| Cincinnati to Cernavoda | 5,305.65 mi (8,538.62 km) |
| Cincinnati to Chitila | 5,222.56 mi (8,404.89 km) |
| Cincinnati to Cisnadie | 5,100.60 mi (8,208.62 km) |
| Cincinnati to Cluj-Napoca | 5,033.16 mi (8,100.08 km) |
| Cincinnati to Codlea | 5,148.78 mi (8,286.17 km) |
| Cincinnati to Comanesti | 5,151.89 mi (8,291.16 km) |
| Cincinnati to Comarnic | 5,175.97 mi (8,329.92 km) |
| Cincinnati to Constanta | 5,335.47 mi (8,586.61 km) |
| Cincinnati to Corabia | 5,200.60 mi (8,369.55 km) |
| Cincinnati to Costesti | 5,174.35 mi (8,327.31 km) |
| Cincinnati to Covasna | 5,168.82 mi (8,318.41 km) |
| Cincinnati to Craiova | 5,149.56 mi (8,287.42 km) |
| Cincinnati to Cristuru Secuiesc | 5,107.13 mi (8,219.13 km) |
| Cincinnati to Cugir | 5,065.68 mi (8,152.43 km) |
| Cincinnati to Cumpana | 5,335.20 mi (8,586.18 km) |
