| Echternach to Sestao | 633.37 mi (1,019.31 km) |
| Echternach to Sevilla | 1,065.19 mi (1,714.26 km) |
| Echternach to Sevilla La Nueva | 827.53 mi (1,331.79 km) |
| Echternach to Silla | 795.64 mi (1,280.45 km) |
| Echternach to Silleda | 852.95 mi (1,372.70 km) |
| Echternach to Sitges | 633.11 mi (1,018.88 km) |
| Echternach to Socuellamos | 855.32 mi (1,376.51 km) |
| Echternach to Soller | 717.39 mi (1,154.54 km) |
| Echternach to Solsona | 589.02 mi (947.94 km) |
| Echternach to Son Servera | 719.82 mi (1,158.45 km) |
| Echternach to Sonseca | 862.59 mi (1,388.20 km) |
| Echternach to Sopelana | 628.85 mi (1,012.03 km) |
| Echternach to Soria | 700.65 mi (1,127.59 km) |
| Echternach to Suances | 663.08 mi (1,067.12 km) |
| Echternach to Sueca | 803.80 mi (1,293.59 km) |
