| Alton to Sabadell | 679.35 mi (1,093.31 km) |
| Alton to Sabinanigo | 597.05 mi (960.87 km) |
| Alton to Sagunto | 793.46 mi (1,276.95 km) |
| Alton to Salamanca | 738.33 mi (1,188.22 km) |
| Alton to Salobrena | 1,003.42 mi (1,614.85 km) |
| Alton to Salou | 702.99 mi (1,131.36 km) |
| Alton to Salt | 658.36 mi (1,059.53 km) |
| Alton to Salvatierra de Mino | 720.16 mi (1,158.99 km) |
| Alton to Sama | 585.30 mi (941.95 km) |
| Alton to San Adrian de Besos | 688.47 mi (1,107.99 km) |
| Alton to San Agustin de Guadalix | 734.42 mi (1,181.94 km) |
| Alton to San Andres de la Barca | 684.86 mi (1,102.18 km) |
| Alton to San Andres de Llevaneras | 681.72 mi (1,097.13 km) |
| Alton to San Andres del Rabanedo | 628.38 mi (1,011.29 km) |
| Alton to San Bartolome | 1,775.66 mi (2,857.65 km) |
