| Huntsville to Cortona | 5,010.47 mi (8,063.58 km) |
| Huntsville to Cosenza | 5,345.92 mi (8,603.43 km) |
| Huntsville to Cossato | 4,767.97 mi (7,673.31 km) |
| Huntsville to Costa Volpino | 4,840.50 mi (7,790.04 km) |
| Huntsville to Creazzo | 4,908.59 mi (7,899.61 km) |
| Huntsville to Crema | 4,838.89 mi (7,787.45 km) |
| Huntsville to Cremona | 4,861.68 mi (7,824.11 km) |
| Huntsville to Crevalcore | 4,923.37 mi (7,923.39 km) |
| Huntsville to Crispiano | 5,337.19 mi (8,589.38 km) |
| Huntsville to Crosia | 5,357.99 mi (8,622.86 km) |
| Huntsville to Crotone | 5,392.52 mi (8,678.42 km) |
| Huntsville to Cuneo | 4,780.76 mi (7,693.90 km) |
| Huntsville to Cuorgne | 4,751.82 mi (7,647.31 km) |
| Huntsville to Cusano Milanino | 4,811.57 mi (7,743.47 km) |
| Huntsville to Cutro | 5,388.65 mi (8,672.20 km) |
