| Huntsville to Castelfidardo | 5,069.96 mi (8,159.32 km) |
| Huntsville to Castelfiorentino | 4,955.03 mi (7,974.35 km) |
| Huntsville to Castelfranco di Sopra | 4,979.55 mi (8,013.81 km) |
| Huntsville to Castelfranco di Sotto | 4,942.19 mi (7,953.68 km) |
| Huntsville to Castelfranco Emilia | 4,923.48 mi (7,923.58 km) |
| Huntsville to Castelfranco Veneto | 4,922.58 mi (7,922.13 km) |
| Huntsville to Castellabate | 5,250.90 mi (8,450.51 km) |
| Huntsville to Castellammare del Golfo | 5,244.49 mi (8,440.19 km) |
| Huntsville to Castellammare di Stabia | 5,214.30 mi (8,391.61 km) |
| Huntsville to Castellamonte | 4,754.73 mi (7,652.00 km) |
| Huntsville to Castellana Grotte | 5,323.10 mi (8,566.70 km) |
| Huntsville to Castellaneta | 5,322.98 mi (8,566.51 km) |
| Huntsville to Castellanza | 4,797.36 mi (7,720.60 km) |
| Huntsville to Castellarano | 4,913.12 mi (7,906.90 km) |
| Huntsville to Castelleone | 4,844.59 mi (7,796.62 km) |
