| San Donato Milanese to Somma Lombardo | 33.03 mi (53.16 km) |
| San Donato Milanese to Somma Vesuviana | 407.88 mi (656.41 km) |
| San Donato Milanese to Sommacampagna | 76.81 mi (123.61 km) |
| San Donato Milanese to Sona | 75.98 mi (122.27 km) |
| San Donato Milanese to Sondrio | 59.59 mi (95.91 km) |
| San Donato Milanese to Sora | 335.72 mi (540.29 km) |
| San Donato Milanese to Sorbolo | 69.80 mi (112.33 km) |
| San Donato Milanese to Soresina | 30.04 mi (48.35 km) |
| San Donato Milanese to Sorisole | 29.09 mi (46.82 km) |
| San Donato Milanese to Sorrento | 419.37 mi (674.91 km) |
| San Donato Milanese to Sorso | 320.99 mi (516.58 km) |
| San Donato Milanese to Sortino | 643.43 mi (1,035.49 km) |
| San Donato Milanese to Soverato Marina | 596.19 mi (959.47 km) |
| San Donato Milanese to Sovicille | 176.53 mi (284.10 km) |
| San Donato Milanese to Spello | 237.85 mi (382.78 km) |
