| Santander to Santa Venerina | 1,068.09 mi (1,718.93 km) |
| Santander to Santeramo in Colle | 1,067.18 mi (1,717.47 km) |
| Santander to Santo Stefano di Magra | 684.97 mi (1,102.35 km) |
| Santander to Santo Stino di Livenza | 824.66 mi (1,327.15 km) |
| Santander to Sarezzo | 704.89 mi (1,134.41 km) |
| Santander to Sarno | 959.26 mi (1,543.78 km) |
| Santander to Saronno | 649.02 mi (1,044.50 km) |
| Santander to Sarzana | 687.25 mi (1,106.01 km) |
| Santander to Sassari | 660.77 mi (1,063.40 km) |
| Santander to Sasso Marconi | 750.85 mi (1,208.37 km) |
| Santander to Sassuolo | 728.00 mi (1,171.59 km) |
| Santander to Sava | 1,115.48 mi (1,795.19 km) |
| Santander to Saviano | 952.25 mi (1,532.50 km) |
| Santander to Savigliano | 573.36 mi (922.74 km) |
| Santander to Savignano sul Panaro | 740.15 mi (1,191.16 km) |
