| Ercolano to Somma Lombardo | 441.02 mi (709.76 km) |
| Ercolano to Somma Vesuviana | 6.76 mi (10.88 km) |
| Ercolano to Sommacampagna | 363.49 mi (584.99 km) |
| Ercolano to Sona | 365.89 mi (588.84 km) |
| Ercolano to Sondrio | 433.52 mi (697.68 km) |
| Ercolano to Sora | 73.91 mi (118.94 km) |
| Ercolano to Sorbolo | 342.32 mi (550.92 km) |
| Ercolano to Soresina | 384.00 mi (617.99 km) |
| Ercolano to Sorisole | 414.73 mi (667.44 km) |
| Ercolano to Sorrento | 11.96 mi (19.25 km) |
| Ercolano to Sorso | 301.89 mi (485.84 km) |
| Ercolano to Sortino | 253.70 mi (408.29 km) |
| Ercolano to Soverato Marina | 187.20 mi (301.27 km) |
| Ercolano to Sovicille | 234.52 mi (377.42 km) |
| Ercolano to Spello | 174.11 mi (280.21 km) |
