| Santander to Sabadell | 328.83 mi (529.20 km) |
| Santander to Sabinanigo | 185.71 mi (298.87 km) |
| Santander to Sagunto | 318.94 mi (513.29 km) |
| Santander to Salamanca | 197.06 mi (317.13 km) |
| Santander to Salobrena | 464.18 mi (747.03 km) |
| Santander to Salou | 301.27 mi (484.85 km) |
| Santander to Salt | 349.97 mi (563.23 km) |
| Santander to Salvatierra de Mino | 256.44 mi (412.70 km) |
| Santander to Sama | 94.99 mi (152.87 km) |
| Santander to San Adrian de Besos | 337.56 mi (543.26 km) |
| Santander to San Agustin de Guadalix | 192.65 mi (310.04 km) |
| Santander to San Andres de la Barca | 325.87 mi (524.44 km) |
| Santander to San Andres de Llevaneras | 345.69 mi (556.33 km) |
| Santander to San Andres del Rabanedo | 107.86 mi (173.58 km) |
| Santander to San Bartolome | 1,257.43 mi (2,023.64 km) |
