| Somma Lombardo to Selargius | 444.86 mi (715.93 km) |
| Somma Lombardo to Selvazzano Dentro | 150.65 mi (242.45 km) |
| Somma Lombardo to Senago | 22.04 mi (35.48 km) |
| Somma Lombardo to Senigallia | 260.27 mi (418.87 km) |
| Somma Lombardo to Seravezza | 138.45 mi (222.81 km) |
| Somma Lombardo to Seregno | 24.25 mi (39.03 km) |
| Somma Lombardo to Seriate | 49.13 mi (79.06 km) |
| Somma Lombardo to Sermoneta | 356.90 mi (574.38 km) |
| Somma Lombardo to Serramanna | 432.71 mi (696.37 km) |
| Somma Lombardo to Serravalle Pistoiese | 161.62 mi (260.09 km) |
| Somma Lombardo to Sessa Aurunca | 404.07 mi (650.29 km) |
| Somma Lombardo to Sesto Calende | 4.72 mi (7.60 km) |
| Somma Lombardo to Sesto Fiorentino | 177.13 mi (285.07 km) |
| Somma Lombardo to Sesto San Giovanni | 27.78 mi (44.71 km) |
| Somma Lombardo to Sestri Levante | 103.14 mi (165.99 km) |
