| Denver to Cernavoda | 5,930.41 mi (9,544.07 km) |
| Denver to Chitila | 5,862.65 mi (9,435.02 km) |
| Denver to Cisnadie | 5,742.71 mi (9,241.99 km) |
| Denver to Cluj-Napoca | 5,668.31 mi (9,122.26 km) |
| Denver to Codlea | 5,780.75 mi (9,303.22 km) |
| Denver to Comanesti | 5,767.94 mi (9,282.60 km) |
| Denver to Comarnic | 5,811.11 mi (9,352.08 km) |
| Denver to Constanta | 5,956.87 mi (9,586.66 km) |
| Denver to Corabia | 5,860.35 mi (9,431.33 km) |
| Denver to Costesti | 5,821.71 mi (9,369.13 km) |
| Denver to Covasna | 5,793.18 mi (9,323.22 km) |
| Denver to Craiova | 5,808.96 mi (9,348.62 km) |
| Denver to Cristuru Secuiesc | 5,736.02 mi (9,231.23 km) |
| Denver to Cugir | 5,712.56 mi (9,193.47 km) |
| Denver to Cumpana | 5,957.81 mi (9,588.18 km) |
