| Siegen to Sangeorz-Bai | 789.54 mi (1,270.64 km) |
| Siegen to Sannicolau Mare | 664.90 mi (1,070.05 km) |
| Siegen to Santana | 689.54 mi (1,109.71 km) |
| Siegen to Satu Mare | 701.48 mi (1,128.93 km) |
| Siegen to Scobinti | 885.93 mi (1,425.76 km) |
| Siegen to Scornicesti | 880.75 mi (1,417.44 km) |
| Siegen to Sebes | 788.08 mi (1,268.29 km) |
| Siegen to Seini | 719.50 mi (1,157.93 km) |
| Siegen to Sfantu-Gheorghe | 883.46 mi (1,421.79 km) |
| Siegen to Sibiu | 818.00 mi (1,316.45 km) |
| Siegen to Sighetu Marmatiei | 740.72 mi (1,192.08 km) |
| Siegen to Sighisoara | 829.84 mi (1,335.50 km) |
| Siegen to Simeria | 769.18 mi (1,237.88 km) |
| Siegen to Sinaia | 891.71 mi (1,435.06 km) |
| Siegen to Slatina | 879.02 mi (1,414.65 km) |