| Rapid City to Cassina de' Pecchi | 5,000.21 mi (8,047.06 km) |
| Rapid City to Cassino | 5,355.92 mi (8,619.52 km) |
| Rapid City to Castagneto Carducci | 5,159.90 mi (8,304.06 km) |
| Rapid City to Castano Primo | 4,978.29 mi (8,011.78 km) |
| Rapid City to Castel Bolognese | 5,142.20 mi (8,275.57 km) |
| Rapid City to Castel Gandolfo | 5,302.84 mi (8,534.10 km) |
| Rapid City to Castel Goffredo | 5,048.31 mi (8,124.48 km) |
| Rapid City to Castel Maggiore | 5,115.01 mi (8,231.82 km) |
| Rapid City to Castel Mella | 5,027.34 mi (8,090.72 km) |
| Rapid City to Castel San Giorgio | 5,422.87 mi (8,727.26 km) |
| Rapid City to Castel San Giovanni | 5,025.64 mi (8,087.99 km) |
| Rapid City to Castel San Pietro Terme | 5,130.72 mi (8,257.09 km) |
| Rapid City to Castel Volturno | 5,382.26 mi (8,661.91 km) |
| Rapid City to Castelbuono | 5,552.15 mi (8,935.32 km) |
| Rapid City to Casteldaccia | 5,525.98 mi (8,893.20 km) |
