| Huntsville to Collegno | 4,758.78 mi (7,658.52 km) |
| Huntsville to Cologno al Serio | 4,832.21 mi (7,776.69 km) |
| Huntsville to Cologno Monzese | 4,816.30 mi (7,751.08 km) |
| Huntsville to Colorno | 4,883.39 mi (7,859.05 km) |
| Huntsville to Comacchio | 4,967.47 mi (7,994.37 km) |
| Huntsville to Comiso | 5,364.20 mi (8,632.84 km) |
| Huntsville to Como | 4,798.70 mi (7,722.76 km) |
| Huntsville to Concordia Sagittaria | 4,956.88 mi (7,977.32 km) |
| Huntsville to Concorezzo | 4,816.66 mi (7,751.67 km) |
| Huntsville to Conegliano | 4,929.82 mi (7,933.78 km) |
| Huntsville to Conselice | 4,959.30 mi (7,981.22 km) |
| Huntsville to Conselve | 4,935.18 mi (7,942.41 km) |
| Huntsville to Conversano | 5,317.66 mi (8,557.94 km) |
| Huntsville to Copertino | 5,385.55 mi (8,667.20 km) |
| Huntsville to Copparo | 4,945.64 mi (7,959.23 km) |
