| Grenchen to Selargius | 555.49 mi (893.98 km) |
| Grenchen to Selvazzano Dentro | 243.80 mi (392.36 km) |
| Grenchen to Senago | 138.50 mi (222.90 km) |
| Grenchen to Senigallia | 370.44 mi (596.16 km) |
| Grenchen to Seravezza | 259.59 mi (417.77 km) |
| Grenchen to Seregno | 136.78 mi (220.12 km) |
| Grenchen to Seriate | 151.79 mi (244.28 km) |
| Grenchen to Sermoneta | 477.24 mi (768.05 km) |
| Grenchen to Serramanna | 542.12 mi (872.46 km) |
| Grenchen to Serravalle Pistoiese | 281.63 mi (453.24 km) |
| Grenchen to Sessa Aurunca | 523.27 mi (842.11 km) |
| Grenchen to Sesto Calende | 116.63 mi (187.70 km) |
| Grenchen to Sesto Fiorentino | 296.10 mi (476.53 km) |
| Grenchen to Sesto San Giovanni | 144.16 mi (232.00 km) |
| Grenchen to Sestri Levante | 223.37 mi (359.48 km) |
