| Idar-Oberstein to Sangeorz-Bai | 808.83 mi (1,301.68 km) |
| Idar-Oberstein to Sannicolau Mare | 664.60 mi (1,069.57 km) |
| Idar-Oberstein to Santana | 694.14 mi (1,117.11 km) |
| Idar-Oberstein to Satu Mare | 720.55 mi (1,159.61 km) |
| Idar-Oberstein to Scobinti | 909.00 mi (1,462.89 km) |
| Idar-Oberstein to Scornicesti | 881.93 mi (1,419.32 km) |
| Idar-Oberstein to Sebes | 795.38 mi (1,280.05 km) |
| Idar-Oberstein to Seini | 738.98 mi (1,189.28 km) |
| Idar-Oberstein to Sfantu-Gheorghe | 895.22 mi (1,440.72 km) |
| Idar-Oberstein to Sibiu | 825.63 mi (1,328.73 km) |
| Idar-Oberstein to Sighetu Marmatiei | 762.61 mi (1,227.31 km) |
| Idar-Oberstein to Sighisoara | 841.66 mi (1,354.53 km) |
| Idar-Oberstein to Simeria | 774.31 mi (1,246.13 km) |
| Idar-Oberstein to Sinaia | 899.89 mi (1,448.24 km) |
| Idar-Oberstein to Slatina | 878.89 mi (1,414.44 km) |
