| Siano to Calafell | 684.30 mi (1,101.28 km) |
| Siano to Calahorra | 866.27 mi (1,394.13 km) |
| Siano to Calasparra | 890.32 mi (1,432.84 km) |
| Siano to Calatayud | 850.01 mi (1,367.96 km) |
| Siano to Caldas de Montbuy | 653.00 mi (1,050.90 km) |
| Siano to Caldas de Reyes | 1,206.18 mi (1,941.16 km) |
| Siano to Calella | 627.33 mi (1,009.59 km) |
| Siano to Callosa de Segura | 849.92 mi (1,367.81 km) |
| Siano to Calpe | 791.69 mi (1,274.10 km) |
| Siano to Calvia | 648.50 mi (1,043.67 km) |
| Siano to Camas | 1,133.08 mi (1,823.52 km) |
| Siano to Cambados | 1,214.68 mi (1,954.84 km) |
| Siano to Cambre | 1,190.07 mi (1,915.23 km) |
| Siano to Cambrils | 711.37 mi (1,144.84 km) |
| Siano to Campo de Criptana | 944.65 mi (1,520.26 km) |
