| Knic to Sestao | 1,183.34 mi (1,904.40 km) |
| Knic to Sevilla | 1,467.89 mi (2,362.34 km) |
| Knic to Sevilla La Nueva | 1,286.61 mi (2,070.60 km) |
| Knic to Silla | 1,131.84 mi (1,821.52 km) |
| Knic to Silleda | 1,450.49 mi (2,334.34 km) |
| Knic to Sitges | 977.67 mi (1,573.41 km) |
| Knic to Socuellamos | 1,251.23 mi (2,013.65 km) |
| Knic to Soller | 968.41 mi (1,558.51 km) |
| Knic to Solsona | 977.63 mi (1,573.35 km) |
| Knic to Son Servera | 940.27 mi (1,513.23 km) |
| Knic to Sonseca | 1,298.09 mi (2,089.08 km) |
| Knic to Sopelana | 1,181.18 mi (1,900.92 km) |
| Knic to Soria | 1,179.92 mi (1,898.89 km) |
| Knic to Suances | 1,233.47 mi (1,985.08 km) |
| Knic to Sueca | 1,131.31 mi (1,820.67 km) |
