| Monfalcone to Somma Lombardo | 233.16 mi (375.24 km) |
| Monfalcone to Somma Vesuviana | 343.47 mi (552.75 km) |
| Monfalcone to Sommacampagna | 132.62 mi (213.43 km) |
| Monfalcone to Sona | 132.91 mi (213.91 km) |
| Monfalcone to Sondrio | 177.70 mi (285.98 km) |
| Monfalcone to Sora | 282.16 mi (454.09 km) |
| Monfalcone to Sorbolo | 163.69 mi (263.43 km) |
| Monfalcone to Soresina | 181.39 mi (291.91 km) |
| Monfalcone to Sorisole | 186.88 mi (300.76 km) |
| Monfalcone to Sorrento | 359.85 mi (579.13 km) |
| Monfalcone to Sorso | 425.88 mi (685.39 km) |
| Monfalcone to Sortino | 601.50 mi (968.03 km) |
| Monfalcone to Soverato Marina | 515.25 mi (829.22 km) |
| Monfalcone to Sovicille | 207.50 mi (333.94 km) |
| Monfalcone to Spello | 198.82 mi (319.97 km) |
