| Unterwellenborn to Sangeorz-Bai | 640.40 mi (1,030.62 km) |
| Unterwellenborn to Sannicolau Mare | 526.66 mi (847.58 km) |
| Unterwellenborn to Santana | 547.58 mi (881.25 km) |
| Unterwellenborn to Satu Mare | 552.60 mi (889.32 km) |
| Unterwellenborn to Scobinti | 735.88 mi (1,184.29 km) |
| Unterwellenborn to Scornicesti | 739.75 mi (1,190.51 km) |
| Unterwellenborn to Sebes | 643.85 mi (1,036.18 km) |
| Unterwellenborn to Seini | 570.45 mi (918.05 km) |
| Unterwellenborn to Sfantu-Gheorghe | 736.69 mi (1,185.58 km) |
| Unterwellenborn to Sibiu | 673.45 mi (1,083.82 km) |
| Unterwellenborn to Sighetu Marmatiei | 591.05 mi (951.20 km) |
| Unterwellenborn to Sighisoara | 683.20 mi (1,099.51 km) |
| Unterwellenborn to Simeria | 626.32 mi (1,007.96 km) |
| Unterwellenborn to Sinaia | 746.57 mi (1,201.48 km) |
| Unterwellenborn to Slatina | 738.90 mi (1,189.15 km) |
