| Cadca to Sestao | 1,116.97 mi (1,797.59 km) |
| Cadca to Sevilla | 1,492.65 mi (2,402.19 km) |
| Cadca to Sevilla La Nueva | 1,274.14 mi (2,050.53 km) |
| Cadca to Silla | 1,170.46 mi (1,883.68 km) |
| Cadca to Silleda | 1,367.69 mi (2,201.08 km) |
| Cadca to Sitges | 997.34 mi (1,605.06 km) |
| Cadca to Socuellamos | 1,268.82 mi (2,041.97 km) |
| Cadca to Soller | 1,032.07 mi (1,660.96 km) |
| Cadca to Solsona | 975.75 mi (1,570.32 km) |
| Cadca to Son Servera | 1,015.12 mi (1,633.67 km) |
| Cadca to Sonseca | 1,298.35 mi (2,089.49 km) |
| Cadca to Sopelana | 1,113.40 mi (1,791.84 km) |
| Cadca to Soria | 1,150.73 mi (1,851.92 km) |
| Cadca to Suances | 1,158.52 mi (1,864.45 km) |
| Cadca to Sueca | 1,174.09 mi (1,889.52 km) |
