| Castellana Grotte to Somma Lombardo | 539.26 mi (867.86 km) |
| Castellana Grotte to Somma Vesuviana | 142.61 mi (229.50 km) |
| Castellana Grotte to Sommacampagna | 445.61 mi (717.13 km) |
| Castellana Grotte to Sona | 447.75 mi (720.59 km) |
| Castellana Grotte to Sondrio | 516.33 mi (830.95 km) |
| Castellana Grotte to Sora | 193.04 mi (310.67 km) |
| Castellana Grotte to Sorbolo | 436.46 mi (702.42 km) |
| Castellana Grotte to Soresina | 477.79 mi (768.93 km) |
| Castellana Grotte to Sorisole | 504.63 mi (812.12 km) |
| Castellana Grotte to Sorrento | 147.24 mi (236.96 km) |
| Castellana Grotte to Sorso | 448.84 mi (722.34 km) |
| Castellana Grotte to Sortino | 281.14 mi (452.46 km) |
| Castellana Grotte to Soverato Marina | 155.49 mi (250.24 km) |
| Castellana Grotte to Sovicille | 346.39 mi (557.46 km) |
| Castellana Grotte to Spello | 272.94 mi (439.26 km) |
