| Santander to Cividale del Friuli | 862.98 mi (1,388.83 km) |
| Santander to Civita Castellana | 823.61 mi (1,325.47 km) |
| Santander to Civitanova Marche | 879.16 mi (1,414.87 km) |
| Santander to Civitavecchia | 795.74 mi (1,280.62 km) |
| Santander to Civitella in Val di Chiana | 777.58 mi (1,251.39 km) |
| Santander to Clusone | 695.25 mi (1,118.90 km) |
| Santander to Coccaglio | 693.50 mi (1,116.08 km) |
| Santander to Codigoro | 793.72 mi (1,277.36 km) |
| Santander to Codogno | 677.31 mi (1,090.03 km) |
| Santander to Codroipo | 840.33 mi (1,352.39 km) |
| Santander to Cogoleto | 622.30 mi (1,001.49 km) |
| Santander to Colle di Val d'Elsa | 748.54 mi (1,204.66 km) |
| Santander to Colle Salvetti | 714.92 mi (1,150.55 km) |
| Santander to Collecchio | 700.42 mi (1,127.22 km) |
| Santander to Colleferro | 862.36 mi (1,387.83 km) |
