| Rapid City to Caldicot | 4,308.67 mi (6,934.13 km) |
| Rapid City to Calne | 4,340.52 mi (6,985.39 km) |
| Rapid City to Cam | 4,317.22 mi (6,947.89 km) |
| Rapid City to Camberley | 4,387.81 mi (7,061.50 km) |
| Rapid City to Camborne | 4,276.34 mi (6,882.11 km) |
| Rapid City to Cambridge | 4,379.23 mi (7,047.69 km) |
| Rapid City to Cambuslang | 4,091.00 mi (6,583.83 km) |
| Rapid City to Canford Cliffs | 4,374.33 mi (7,039.80 km) |
| Rapid City to Cannock | 4,287.26 mi (6,899.68 km) |
| Rapid City to Canterbury | 4,451.42 mi (7,163.86 km) |
| Rapid City to Carlisle | 4,167.09 mi (6,706.29 km) |
| Rapid City to Carlton Colville | 4,420.01 mi (7,113.32 km) |
| Rapid City to Carluke | 4,104.99 mi (6,606.35 km) |
| Rapid City to Carnoustie | 4,110.37 mi (6,615.00 km) |
| Rapid City to Carshalton | 4,405.90 mi (7,090.61 km) |
