| Santander to Castelfidardo | 868.56 mi (1,397.81 km) |
| Santander to Castelfiorentino | 739.04 mi (1,189.36 km) |
| Santander to Castelfranco di Sopra | 768.42 mi (1,236.65 km) |
| Santander to Castelfranco di Sotto | 727.74 mi (1,171.18 km) |
| Santander to Castelfranco Emilia | 741.19 mi (1,192.83 km) |
| Santander to Castelfranco Veneto | 788.19 mi (1,268.47 km) |
| Santander to Castellabate | 987.56 mi (1,589.32 km) |
| Santander to Castellammare del Golfo | 948.60 mi (1,526.62 km) |
| Santander to Castellammare di Stabia | 954.96 mi (1,536.86 km) |
| Santander to Castellamonte | 583.03 mi (938.30 km) |
| Santander to Castellana Grotte | 1,085.58 mi (1,747.08 km) |
| Santander to Castellaneta | 1,078.90 mi (1,736.32 km) |
| Santander to Castellanza | 642.39 mi (1,033.82 km) |
| Santander to Castellarano | 727.90 mi (1,171.44 km) |
| Santander to Castelleone | 680.92 mi (1,095.84 km) |
