| Sondershausen to Sestao | 852.90 mi (1,372.60 km) |
| Sondershausen to Sevilla | 1,277.25 mi (2,055.53 km) |
| Sondershausen to Sevilla La Nueva | 1,041.77 mi (1,676.56 km) |
| Sondershausen to Silla | 991.32 mi (1,595.38 km) |
| Sondershausen to Silleda | 1,075.50 mi (1,730.85 km) |
| Sondershausen to Sitges | 821.58 mi (1,322.21 km) |
| Sondershausen to Socuellamos | 1,062.30 mi (1,709.61 km) |
| Sondershausen to Soller | 892.24 mi (1,435.91 km) |
| Sondershausen to Solsona | 783.31 mi (1,260.62 km) |
| Sondershausen to Son Servera | 888.16 mi (1,429.35 km) |
| Sondershausen to Sonseca | 1,074.83 mi (1,729.77 km) |
| Sondershausen to Sopelana | 848.49 mi (1,365.51 km) |
| Sondershausen to Soria | 914.37 mi (1,471.54 km) |
| Sondershausen to Suances | 884.37 mi (1,423.25 km) |
| Sondershausen to Sueca | 998.33 mi (1,606.65 km) |
