| Rapid City to Cadiz | 4,826.11 mi (7,766.88 km) |
| Rapid City to Calafell | 4,928.23 mi (7,931.22 km) |
| Rapid City to Calahorra | 4,741.77 mi (7,631.14 km) |
| Rapid City to Calasparra | 4,938.46 mi (7,947.69 km) |
| Rapid City to Calatayud | 4,797.82 mi (7,721.35 km) |
| Rapid City to Caldas de Montbuy | 4,930.58 mi (7,935.00 km) |
| Rapid City to Caldas de Reyes | 4,464.97 mi (7,185.68 km) |
| Rapid City to Calella | 4,950.04 mi (7,966.33 km) |
| Rapid City to Callosa de Segura | 4,976.46 mi (8,008.84 km) |
| Rapid City to Calpe | 4,988.87 mi (8,028.80 km) |
| Rapid City to Calvia | 5,041.52 mi (8,113.55 km) |
| Rapid City to Camas | 4,798.31 mi (7,722.14 km) |
| Rapid City to Cambados | 4,462.77 mi (7,182.14 km) |
| Rapid City to Cambre | 4,448.61 mi (7,159.34 km) |
| Rapid City to Cambrils | 4,914.88 mi (7,909.74 km) |
