| Rapid City to Castelfidardo | 5,244.13 mi (8,439.61 km) |
| Rapid City to Castelfiorentino | 5,150.51 mi (8,288.94 km) |
| Rapid City to Castelfranco di Sopra | 5,169.37 mi (8,319.30 km) |
| Rapid City to Castelfranco di Sotto | 5,138.07 mi (8,268.92 km) |
| Rapid City to Castelfranco Emilia | 5,102.98 mi (8,212.45 km) |
| Rapid City to Castelfranco Veneto | 5,077.97 mi (8,172.20 km) |
| Rapid City to Castellabate | 5,458.04 mi (8,783.86 km) |
| Rapid City to Castellammare del Golfo | 5,503.99 mi (8,857.82 km) |
| Rapid City to Castellammare di Stabia | 5,420.07 mi (8,722.75 km) |
| Rapid City to Castellamonte | 4,950.58 mi (7,967.19 km) |
| Rapid City to Castellana Grotte | 5,499.96 mi (8,851.33 km) |
| Rapid City to Castellaneta | 5,505.66 mi (8,860.50 km) |
| Rapid City to Castellanza | 4,979.51 mi (8,013.75 km) |
| Rapid City to Castellarano | 5,095.44 mi (8,200.32 km) |
| Rapid City to Castelleone | 5,024.47 mi (8,086.11 km) |
