| Sankt Gallen to Selargius | 564.63 mi (908.68 km) |
| Sankt Gallen to Selvazzano Dentro | 181.90 mi (292.75 km) |
| Sankt Gallen to Senago | 127.69 mi (205.50 km) |
| Sankt Gallen to Senigallia | 316.74 mi (509.74 km) |
| Sankt Gallen to Seravezza | 240.22 mi (386.59 km) |
| Sankt Gallen to Seregno | 122.85 mi (197.71 km) |
| Sankt Gallen to Seriate | 121.31 mi (195.23 km) |
| Sankt Gallen to Sermoneta | 443.08 mi (713.07 km) |
| Sankt Gallen to Serramanna | 553.30 mi (890.45 km) |
| Sankt Gallen to Serravalle Pistoiese | 253.52 mi (408.00 km) |
| Sankt Gallen to Sessa Aurunca | 483.34 mi (777.86 km) |
| Sankt Gallen to Sesto Calende | 121.97 mi (196.28 km) |
| Sankt Gallen to Sesto Fiorentino | 263.36 mi (423.83 km) |
| Sankt Gallen to Sesto San Giovanni | 130.81 mi (210.52 km) |
| Sankt Gallen to Sestri Levante | 217.71 mi (350.37 km) |
