| Formia to Sevnica | 338.34 mi (544.51 km) |
| Formia to Sezana | 306.81 mi (493.76 km) |
| Formia to Skocjan | 331.36 mi (533.27 km) |
| Formia to Skofja Loka | 340.32 mi (547.69 km) |
| Formia to Skofljica | 329.41 mi (530.14 km) |
| Formia to Slovenj Gradec | 369.46 mi (594.60 km) |
| Formia to Slovenska Bistrica | 367.18 mi (590.93 km) |
| Formia to Slovenske Konjice | 361.78 mi (582.23 km) |
| Formia to Smarje | 355.67 mi (572.39 km) |
| Formia to Smarjeske Toplice | 327.50 mi (527.07 km) |
| Formia to Smartno | 335.75 mi (540.34 km) |
| Formia to Smartno | 356.86 mi (574.31 km) |
| Formia to Sodrazica | 314.73 mi (506.51 km) |
| Formia to Solcava | 360.06 mi (579.47 km) |
| Formia to Sostanj | 360.40 mi (580.00 km) |
