| Formello to Somma Lombardo | 309.47 mi (498.05 km) |
| Formello to Somma Vesuviana | 134.59 mi (216.60 km) |
| Formello to Sommacampagna | 241.86 mi (389.23 km) |
| Formello to Sona | 244.30 mi (393.16 km) |
| Formello to Sondrio | 308.93 mi (497.17 km) |
| Formello to Sora | 67.50 mi (108.64 km) |
| Formello to Sorbolo | 214.51 mi (345.22 km) |
| Formello to Soresina | 255.17 mi (410.65 km) |
| Formello to Sorisole | 287.00 mi (461.89 km) |
| Formello to Sorrento | 143.49 mi (230.92 km) |
| Formello to Sorso | 216.97 mi (349.18 km) |
| Formello to Sortino | 367.42 mi (591.31 km) |
| Formello to Soverato Marina | 320.68 mi (516.09 km) |
| Formello to Sovicille | 101.91 mi (164.01 km) |
| Formello to Spello | 64.09 mi (103.14 km) |
