| Idar-Oberstein to Setubal | 1,110.71 mi (1,787.51 km) |
| Idar-Oberstein to Sever do Vouga | 980.02 mi (1,577.18 km) |
| Idar-Oberstein to Silves | 1,167.08 mi (1,878.24 km) |
| Idar-Oberstein to Sines | 1,139.86 mi (1,834.43 km) |
| Idar-Oberstein to Sintra | 1,114.11 mi (1,792.99 km) |
| Idar-Oberstein to Sobrado de Paiva | 961.83 mi (1,547.92 km) |
| Idar-Oberstein to Sobral de Monte Agraco | 1,094.38 mi (1,761.23 km) |
| Idar-Oberstein to Soure | 1,023.42 mi (1,647.04 km) |
| Idar-Oberstein to Tabua | 985.86 mi (1,586.58 km) |
| Idar-Oberstein to Tavira | 1,145.14 mi (1,842.93 km) |
| Idar-Oberstein to Tomar | 1,038.18 mi (1,670.79 km) |
| Idar-Oberstein to Tondela | 980.10 mi (1,577.31 km) |
| Idar-Oberstein to Torre de Moncorvo | 911.62 mi (1,467.11 km) |
| Idar-Oberstein to Torres Novas | 1,049.17 mi (1,688.47 km) |
| Idar-Oberstein to Torres Vedras | 1,095.19 mi (1,762.53 km) |
