| Rapid City to Castrovillari | 5,524.81 mi (8,891.32 km) |
| Rapid City to Catania | 5,609.91 mi (9,028.27 km) |
| Rapid City to Catanzaro | 5,587.35 mi (8,991.98 km) |
| Rapid City to Cattolica | 5,191.21 mi (8,354.44 km) |
| Rapid City to Cava de' Tirreni | 5,427.25 mi (8,734.32 km) |
| Rapid City to Cavallino | 5,564.42 mi (8,955.07 km) |
| Rapid City to Cavarzere | 5,109.77 mi (8,223.39 km) |
| Rapid City to Cave | 5,308.85 mi (8,543.77 km) |
| Rapid City to Cavriago | 5,080.31 mi (8,175.97 km) |
| Rapid City to Cavriglia | 5,172.28 mi (8,323.97 km) |
| Rapid City to Cazzago San Martino | 5,019.11 mi (8,077.47 km) |
| Rapid City to Ceccano | 5,335.45 mi (8,586.58 km) |
| Rapid City to Cecina | 5,149.46 mi (8,287.26 km) |
| Rapid City to Cefalu | 5,543.95 mi (8,922.12 km) |
| Rapid City to Ceglie Messapico | 5,523.46 mi (8,889.15 km) |
