| Siran to Cadiz | 2,447.03 mi (3,938.11 km) |
| Siran to Calafell | 1,953.33 mi (3,143.59 km) |
| Siran to Calahorra | 2,119.06 mi (3,410.29 km) |
| Siran to Calasparra | 2,170.59 mi (3,493.22 km) |
| Siran to Calatayud | 2,114.56 mi (3,403.06 km) |
| Siran to Caldas de Montbuy | 1,917.61 mi (3,086.10 km) |
| Siran to Caldas de Reyes | 2,448.29 mi (3,940.14 km) |
| Siran to Calella | 1,892.48 mi (3,045.66 km) |
| Siran to Callosa de Segura | 2,130.03 mi (3,427.95 km) |
| Siran to Calpe | 2,071.96 mi (3,334.49 km) |
| Siran to Calvia | 1,928.34 mi (3,103.36 km) |
| Siran to Camas | 2,413.27 mi (3,883.78 km) |
| Siran to Cambados | 2,457.89 mi (3,955.58 km) |
| Siran to Cambre | 2,423.29 mi (3,899.92 km) |
| Siran to Cambrils | 1,981.28 mi (3,188.56 km) |
