| Troisdorf to Sangeorz-Bai | 825.59 mi (1,328.67 km) |
| Troisdorf to Sannicolau Mare | 697.33 mi (1,122.24 km) |
| Troisdorf to Santana | 723.03 mi (1,163.60 km) |
| Troisdorf to Satu Mare | 737.44 mi (1,186.79 km) |
| Troisdorf to Scobinti | 922.51 mi (1,484.63 km) |
| Troisdorf to Scornicesti | 913.74 mi (1,470.51 km) |
| Troisdorf to Sebes | 822.20 mi (1,323.20 km) |
| Troisdorf to Seini | 755.53 mi (1,215.91 km) |
| Troisdorf to Sfantu-Gheorghe | 918.44 mi (1,478.09 km) |
| Troisdorf to Sibiu | 852.21 mi (1,371.50 km) |
| Troisdorf to Sighetu Marmatiei | 777.08 mi (1,250.59 km) |
| Troisdorf to Sighisoara | 864.79 mi (1,391.75 km) |
| Troisdorf to Simeria | 802.86 mi (1,292.09 km) |
| Troisdorf to Sinaia | 926.07 mi (1,490.37 km) |
| Troisdorf to Slatina | 911.72 mi (1,467.28 km) |
