| Huntsville to Cassina de' Pecchi | 4,820.43 mi (7,757.74 km) |
| Huntsville to Cassino | 5,155.60 mi (8,297.14 km) |
| Huntsville to Castagneto Carducci | 4,954.57 mi (7,973.61 km) |
| Huntsville to Castano Primo | 4,793.96 mi (7,715.13 km) |
| Huntsville to Castel Bolognese | 4,965.04 mi (7,990.46 km) |
| Huntsville to Castel Gandolfo | 5,095.03 mi (8,199.66 km) |
| Huntsville to Castel Goffredo | 4,874.60 mi (7,844.92 km) |
| Huntsville to Castel Maggiore | 4,937.82 mi (7,946.65 km) |
| Huntsville to Castel Mella | 4,853.98 mi (7,811.72 km) |
| Huntsville to Castel San Giorgio | 5,220.49 mi (8,401.57 km) |
| Huntsville to Castel San Giovanni | 4,839.11 mi (7,787.80 km) |
| Huntsville to Castel San Pietro Terme | 4,952.90 mi (7,970.92 km) |
| Huntsville to Castel Volturno | 5,176.21 mi (8,330.30 km) |
| Huntsville to Castelbuono | 5,303.37 mi (8,534.94 km) |
| Huntsville to Casteldaccia | 5,273.23 mi (8,486.45 km) |
