| Sierning to Somma Lombardo | 311.10 mi (500.67 km) |
| Sierning to Somma Vesuviana | 495.59 mi (797.58 km) |
| Sierning to Sommacampagna | 245.41 mi (394.94 km) |
| Sierning to Sona | 244.20 mi (393.00 km) |
| Sierning to Sondrio | 245.66 mi (395.36 km) |
| Sierning to Sora | 438.53 mi (705.75 km) |
| Sierning to Sorbolo | 287.38 mi (462.49 km) |
| Sierning to Soresina | 284.34 mi (457.60 km) |
| Sierning to Sorisole | 271.39 mi (436.76 km) |
| Sierning to Sorrento | 512.47 mi (824.74 km) |
| Sierning to Sorso | 574.68 mi (924.86 km) |
| Sierning to Sortino | 752.49 mi (1,211.01 km) |
| Sierning to Soverato Marina | 656.44 mi (1,056.44 km) |
| Sierning to Sovicille | 360.89 mi (580.80 km) |
| Sierning to Spello | 358.18 mi (576.44 km) |
