| Idar-Oberstein to Sestao | 659.47 mi (1,061.31 km) |
| Idar-Oberstein to Sevilla | 1,086.25 mi (1,748.15 km) |
| Idar-Oberstein to Sevilla La Nueva | 849.75 mi (1,367.54 km) |
| Idar-Oberstein to Silla | 808.94 mi (1,301.87 km) |
| Idar-Oberstein to Silleda | 884.65 mi (1,423.70 km) |
| Idar-Oberstein to Sitges | 643.25 mi (1,035.21 km) |
| Idar-Oberstein to Socuellamos | 873.63 mi (1,405.98 km) |
| Idar-Oberstein to Soller | 723.09 mi (1,163.70 km) |
| Idar-Oberstein to Solsona | 601.29 mi (967.68 km) |
| Idar-Oberstein to Son Servera | 723.48 mi (1,164.33 km) |
| Idar-Oberstein to Sonseca | 883.65 mi (1,422.09 km) |
| Idar-Oberstein to Sopelana | 655.06 mi (1,054.21 km) |
| Idar-Oberstein to Soria | 722.47 mi (1,162.71 km) |
| Idar-Oberstein to Suances | 691.15 mi (1,112.29 km) |
| Idar-Oberstein to Sueca | 816.66 mi (1,314.29 km) |
