| Grenchen to Sangeorgiu de Mures | 805.93 mi (1,297.02 km) |
| Grenchen to Sangeorz-Bai | 808.58 mi (1,301.28 km) |
| Grenchen to Sannicolau Mare | 631.14 mi (1,015.72 km) |
| Grenchen to Santana | 669.04 mi (1,076.71 km) |
| Grenchen to Satu Mare | 723.33 mi (1,164.08 km) |
| Grenchen to Scobinti | 913.34 mi (1,469.88 km) |
| Grenchen to Scornicesti | 842.87 mi (1,356.47 km) |
| Grenchen to Sebes | 771.45 mi (1,241.53 km) |
| Grenchen to Seini | 741.80 mi (1,193.81 km) |
| Grenchen to Sfantu-Gheorghe | 876.99 mi (1,411.38 km) |
| Grenchen to Sibiu | 801.28 mi (1,289.54 km) |
| Grenchen to Sighetu Marmatiei | 769.36 mi (1,238.16 km) |
| Grenchen to Sighisoara | 825.22 mi (1,328.06 km) |
| Grenchen to Simeria | 746.80 mi (1,201.85 km) |
| Grenchen to Sinaia | 874.34 mi (1,407.12 km) |
