| Nideggen to Sangeorz-Bai | 853.31 mi (1,373.26 km) |
| Nideggen to Sannicolau Mare | 721.61 mi (1,161.32 km) |
| Nideggen to Santana | 748.27 mi (1,204.23 km) |
| Nideggen to Satu Mare | 765.07 mi (1,231.27 km) |
| Nideggen to Scobinti | 950.78 mi (1,530.13 km) |
| Nideggen to Scornicesti | 938.41 mi (1,510.23 km) |
| Nideggen to Sebes | 847.99 mi (1,364.70 km) |
| Nideggen to Seini | 783.23 mi (1,260.49 km) |
| Nideggen to Sfantu-Gheorghe | 945.04 mi (1,520.89 km) |
| Nideggen to Sibiu | 878.07 mi (1,413.12 km) |
| Nideggen to Sighetu Marmatiei | 805.13 mi (1,295.73 km) |
| Nideggen to Sighisoara | 891.38 mi (1,434.53 km) |
| Nideggen to Simeria | 828.25 mi (1,332.94 km) |
| Nideggen to Sinaia | 952.06 mi (1,532.19 km) |
| Nideggen to Slatina | 936.14 mi (1,506.58 km) |
