| Huntsville to Carmona | 4,378.25 mi (7,046.12 km) |
| Huntsville to Cartagena | 4,603.85 mi (7,409.19 km) |
| Huntsville to Cartama | 4,450.44 mi (7,162.28 km) |
| Huntsville to Cartaya | 4,307.66 mi (6,932.52 km) |
| Huntsville to Caspe | 4,538.22 mi (7,303.56 km) |
| Huntsville to Cassa de la Selva | 4,652.74 mi (7,487.86 km) |
| Huntsville to Castalla | 4,588.12 mi (7,383.87 km) |
| Huntsville to Castellbisbal | 4,624.55 mi (7,442.50 km) |
| Huntsville to Castelldefels | 4,630.41 mi (7,451.93 km) |
| Huntsville to Castello de Ampurias | 4,650.33 mi (7,483.99 km) |
| Huntsville to Castellon de la Plana | 4,576.11 mi (7,364.54 km) |
| Huntsville to Castilleja de la Cuesta | 4,359.87 mi (7,016.54 km) |
| Huntsville to Catarroja | 4,576.17 mi (7,364.63 km) |
| Huntsville to Catral | 4,595.12 mi (7,395.14 km) |
| Huntsville to Caudete | 4,569.48 mi (7,353.86 km) |
