| Iernut to Sestao | 1,344.20 mi (2,163.28 km) |
| Iernut to Sevilla | 1,667.95 mi (2,684.31 km) |
| Iernut to Sevilla La Nueva | 1,471.21 mi (2,367.68 km) |
| Iernut to Silla | 1,333.10 mi (2,145.42 km) |
| Iernut to Silleda | 1,607.13 mi (2,586.43 km) |
| Iernut to Sitges | 1,169.77 mi (1,882.56 km) |
| Iernut to Socuellamos | 1,446.63 mi (2,328.13 km) |
| Iernut to Soller | 1,175.51 mi (1,891.80 km) |
| Iernut to Solsona | 1,161.63 mi (1,869.46 km) |
| Iernut to Son Servera | 1,150.45 mi (1,851.47 km) |
| Iernut to Sonseca | 1,487.68 mi (2,394.19 km) |
| Iernut to Sopelana | 1,341.38 mi (2,158.74 km) |
| Iernut to Soria | 1,356.51 mi (2,183.09 km) |
| Iernut to Suances | 1,391.20 mi (2,238.92 km) |
| Iernut to Sueca | 1,333.97 mi (2,146.82 km) |
