| Sondershausen to Sangeorz-Bai | 678.71 mi (1,092.28 km) |
| Sondershausen to Sannicolau Mare | 575.06 mi (925.47 km) |
| Sondershausen to Santana | 593.86 mi (955.73 km) |
| Sondershausen to Satu Mare | 591.71 mi (952.26 km) |
| Sondershausen to Scobinti | 771.45 mi (1,241.52 km) |
| Sondershausen to Scornicesti | 786.11 mi (1,265.12 km) |
| Sondershausen to Sebes | 688.21 mi (1,107.56 km) |
| Sondershausen to Seini | 609.18 mi (980.37 km) |
| Sondershausen to Sfantu-Gheorghe | 778.38 mi (1,252.69 km) |
| Sondershausen to Sibiu | 717.47 mi (1,154.65 km) |
| Sondershausen to Sighetu Marmatiei | 628.20 mi (1,010.99 km) |
| Sondershausen to Sighisoara | 725.18 mi (1,167.06 km) |
| Sondershausen to Simeria | 671.75 mi (1,081.07 km) |
| Sondershausen to Sinaia | 789.90 mi (1,271.22 km) |
| Sondershausen to Slatina | 785.77 mi (1,264.58 km) |
