| Sulphur to Carmona | 4,872.40 mi (7,841.37 km) |
| Sulphur to Cartagena | 5,099.82 mi (8,207.36 km) |
| Sulphur to Cartama | 4,944.13 mi (7,956.81 km) |
| Sulphur to Cartaya | 4,800.96 mi (7,726.39 km) |
| Sulphur to Caspe | 5,036.36 mi (8,105.24 km) |
| Sulphur to Cassa de la Selva | 5,151.14 mi (8,289.95 km) |
| Sulphur to Castalla | 5,084.91 mi (8,183.38 km) |
| Sulphur to Castellbisbal | 5,122.89 mi (8,244.50 km) |
| Sulphur to Castelldefels | 5,128.72 mi (8,253.88 km) |
| Sulphur to Castello de Ampurias | 5,148.73 mi (8,286.08 km) |
| Sulphur to Castellon de la Plana | 5,073.81 mi (8,165.50 km) |
| Sulphur to Castilleja de la Cuesta | 4,853.75 mi (7,811.36 km) |
| Sulphur to Catarroja | 5,073.51 mi (8,165.02 km) |
| Sulphur to Catral | 5,091.57 mi (8,194.10 km) |
| Sulphur to Caudete | 5,066.26 mi (8,153.36 km) |
