| Huntsville to Castelletto sopra Ticino | 4,782.74 mi (7,697.08 km) |
| Huntsville to Castelli Calepio | 4,838.91 mi (7,787.47 km) |
| Huntsville to Castelnovo ne' Monti | 4,901.49 mi (7,888.19 km) |
| Huntsville to Castelnuovo Berardenga | 4,987.13 mi (8,026.01 km) |
| Huntsville to Castelnuovo di Porto | 5,074.19 mi (8,166.12 km) |
| Huntsville to Castelnuovo di Verona | 4,882.15 mi (7,857.07 km) |
| Huntsville to Castelnuovo Rangone | 4,920.06 mi (7,918.08 km) |
| Huntsville to Castelvetrano | 5,253.52 mi (8,454.72 km) |
| Huntsville to Castelvetro di Modena | 4,922.53 mi (7,922.05 km) |
| Huntsville to Castenaso | 4,944.23 mi (7,956.97 km) |
| Huntsville to Castenedolo | 4,861.16 mi (7,823.28 km) |
| Huntsville to Castiglion Fiorentino | 5,005.04 mi (8,054.83 km) |
| Huntsville to Castiglione del Lago | 5,017.99 mi (8,075.68 km) |
| Huntsville to Castiglione delle Stiviere | 4,872.13 mi (7,840.93 km) |
| Huntsville to Castrolibero | 5,343.07 mi (8,598.83 km) |
