| Idar-Oberstein to Serik | 1,476.46 mi (2,376.14 km) |
| Idar-Oberstein to Serinhisar | 1,372.48 mi (2,208.80 km) |
| Idar-Oberstein to Serinyol | 1,709.42 mi (2,751.04 km) |
| Idar-Oberstein to Seydisehir | 1,482.56 mi (2,385.95 km) |
| Idar-Oberstein to Seyhan | 1,645.20 mi (2,647.70 km) |
| Idar-Oberstein to Seyitgazi | 1,343.20 mi (2,161.67 km) |
| Idar-Oberstein to Siirt | 1,886.95 mi (3,036.75 km) |
| Idar-Oberstein to Sile | 1,224.73 mi (1,971.01 km) |
| Idar-Oberstein to Silifke | 1,615.81 mi (2,600.40 km) |
| Idar-Oberstein to Silivri | 1,172.24 mi (1,886.53 km) |
| Idar-Oberstein to Silopi | 1,938.08 mi (3,119.04 km) |
| Idar-Oberstein to Simav | 1,290.07 mi (2,076.16 km) |
| Idar-Oberstein to Sinanpasa | 1,356.29 mi (2,182.74 km) |
| Idar-Oberstein to Sindirgi | 1,250.63 mi (2,012.69 km) |
| Idar-Oberstein to Sinop | 1,430.39 mi (2,302.00 km) |
