| Rapid City to Carmona | 4,812.09 mi (7,744.31 km) |
| Rapid City to Cartagena | 4,996.73 mi (8,041.47 km) |
| Rapid City to Cartama | 4,888.03 mi (7,866.53 km) |
| Rapid City to Cartaya | 4,756.76 mi (7,655.26 km) |
| Rapid City to Caspe | 4,865.24 mi (7,829.84 km) |
| Rapid City to Cassa de la Selva | 4,945.02 mi (7,958.23 km) |
| Rapid City to Castalla | 4,962.71 mi (7,986.70 km) |
| Rapid City to Castellbisbal | 4,930.92 mi (7,935.56 km) |
| Rapid City to Castelldefels | 4,939.98 mi (7,950.14 km) |
| Rapid City to Castello de Ampurias | 4,935.01 mi (7,942.13 km) |
| Rapid City to Castellon de la Plana | 4,923.29 mi (7,923.27 km) |
| Rapid City to Castilleja de la Cuesta | 4,798.45 mi (7,722.35 km) |
| Rapid City to Catarroja | 4,935.72 mi (7,943.28 km) |
| Rapid City to Catral | 4,977.74 mi (8,010.89 km) |
| Rapid City to Caudete | 4,945.04 mi (7,958.27 km) |
