| Siran to Carmona | 2,391.06 mi (3,848.04 km) |
| Siran to Cartagena | 2,145.93 mi (3,453.55 km) |
| Siran to Cartama | 2,355.94 mi (3,791.52 km) |
| Siran to Cartaya | 2,473.92 mi (3,981.39 km) |
| Siran to Caspe | 2,034.71 mi (3,274.56 km) |
| Siran to Cassa de la Selva | 1,878.85 mi (3,023.71 km) |
| Siran to Castalla | 2,110.02 mi (3,395.75 km) |
| Siran to Castellbisbal | 1,928.87 mi (3,104.22 km) |
| Siran to Castelldefels | 1,931.52 mi (3,108.48 km) |
| Siran to Castello de Ampurias | 1,865.00 mi (3,001.42 km) |
| Siran to Castellon de la Plana | 2,052.97 mi (3,303.93 km) |
| Siran to Castilleja de la Cuesta | 2,414.56 mi (3,885.86 km) |
| Siran to Catarroja | 2,081.72 mi (3,350.20 km) |
| Siran to Catral | 2,125.41 mi (3,420.52 km) |
| Siran to Caudete | 2,124.48 mi (3,419.03 km) |
