| Sankt Gallen to Senftenberg | 351.23 mi (565.25 km) |
| Sankt Gallen to Siegburg | 253.05 mi (407.24 km) |
| Sankt Gallen to Siegen | 246.70 mi (397.02 km) |
| Sankt Gallen to Sigmaringen | 46.33 mi (74.57 km) |
| Sankt Gallen to Simbach am Inn | 178.78 mi (287.72 km) |
| Sankt Gallen to Simmerath | 259.79 mi (418.09 km) |
| Sankt Gallen to Sindelfingen | 90.67 mi (145.93 km) |
| Sankt Gallen to Sinsheim | 128.12 mi (206.19 km) |
| Sankt Gallen to Sinzheim | 107.84 mi (173.55 km) |
| Sankt Gallen to Sinzig | 236.06 mi (379.90 km) |
| Sankt Gallen to Soest | 292.05 mi (470.01 km) |
| Sankt Gallen to Solingen | 278.33 mi (447.93 km) |
| Sankt Gallen to Soltau | 384.64 mi (619.02 km) |
| Sankt Gallen to Sommerda | 269.94 mi (434.42 km) |
| Sankt Gallen to Sondershausen | 280.57 mi (451.53 km) |
