| Struer to Sestao | 1,043.20 mi (1,678.87 km) |
| Struer to Sevilla | 1,490.45 mi (2,398.64 km) |
| Struer to Sevilla La Nueva | 1,251.67 mi (2,014.37 km) |
| Struer to Silla | 1,251.87 mi (2,014.69 km) |
| Struer to Silleda | 1,207.67 mi (1,943.55 km) |
| Struer to Sitges | 1,096.71 mi (1,764.98 km) |
| Struer to Socuellamos | 1,295.73 mi (2,085.28 km) |
| Struer to Soller | 1,185.60 mi (1,908.05 km) |
| Struer to Solsona | 1,049.50 mi (1,689.00 km) |
| Struer to Son Servera | 1,189.17 mi (1,913.78 km) |
| Struer to Sonseca | 1,291.45 mi (2,078.39 km) |
| Struer to Sopelana | 1,038.22 mi (1,670.85 km) |
| Struer to Soria | 1,129.96 mi (1,818.49 km) |
| Struer to Suances | 1,058.78 mi (1,703.94 km) |
| Struer to Sueca | 1,260.99 mi (2,029.36 km) |
