| Mortara to Somma Lombardo | 30.04 mi (48.34 km) |
| Mortara to Somma Vesuviana | 416.80 mi (670.77 km) |
| Mortara to Sommacampagna | 102.54 mi (165.02 km) |
| Mortara to Sona | 101.96 mi (164.09 km) |
| Mortara to Sondrio | 83.41 mi (134.24 km) |
| Mortara to Sora | 345.02 mi (555.25 km) |
| Mortara to Sorbolo | 87.48 mi (140.79 km) |
| Mortara to Soresina | 53.89 mi (86.73 km) |
| Mortara to Sorisole | 55.33 mi (89.05 km) |
| Mortara to Sorrento | 427.45 mi (687.92 km) |
| Mortara to Sorso | 307.71 mi (495.21 km) |
| Mortara to Sortino | 646.50 mi (1,040.45 km) |
| Mortara to Soverato Marina | 604.74 mi (973.24 km) |
| Mortara to Sovicille | 183.18 mi (294.80 km) |
| Mortara to Spello | 249.46 mi (401.46 km) |
