| Rapid City to Clacton-on-Sea | 4,431.15 mi (7,131.25 km) |
| Rapid City to Clay Cross | 4,287.92 mi (6,900.75 km) |
| Rapid City to Clayton | 4,249.06 mi (6,838.20 km) |
| Rapid City to Clayton le Moors | 4,230.64 mi (6,808.55 km) |
| Rapid City to Cleckheaton | 4,254.51 mi (6,846.97 km) |
| Rapid City to Cleethorpes | 4,316.97 mi (6,947.48 km) |
| Rapid City to Clevedon | 4,311.45 mi (6,938.61 km) |
| Rapid City to Clifton | 4,306.60 mi (6,930.80 km) |
| Rapid City to Clifton | 4,264.47 mi (6,863.01 km) |
| Rapid City to Cliftonville | 4,457.46 mi (7,173.59 km) |
| Rapid City to Clitheroe | 4,226.45 mi (6,801.81 km) |
| Rapid City to Clydebank | 4,080.38 mi (6,566.73 km) |
| Rapid City to Coalville | 4,307.80 mi (6,932.74 km) |
| Rapid City to Coatbridge | 4,093.80 mi (6,588.34 km) |
| Rapid City to Cobham | 4,399.32 mi (7,080.03 km) |
