| Castellana Grotte to Settimo Torinese | 557.84 mi (897.75 km) |
| Castellana Grotte to Seveso | 520.49 mi (837.65 km) |
| Castellana Grotte to Sezze | 217.37 mi (349.82 km) |
| Castellana Grotte to Siano | 129.34 mi (208.16 km) |
| Castellana Grotte to Siena | 343.09 mi (552.15 km) |
| Castellana Grotte to Signa | 368.85 mi (593.61 km) |
| Castellana Grotte to Silea | 410.57 mi (660.75 km) |
| Castellana Grotte to Silvi Paese | 194.93 mi (313.71 km) |
| Castellana Grotte to Sinalunga | 321.93 mi (518.10 km) |
| Castellana Grotte to Siniscola | 391.61 mi (630.23 km) |
| Castellana Grotte to Sinnai | 434.69 mi (699.56 km) |
| Castellana Grotte to Siracusa | 282.18 mi (454.12 km) |
| Castellana Grotte to Solaro | 521.42 mi (839.14 km) |
| Castellana Grotte to Soliera | 413.36 mi (665.24 km) |
| Castellana Grotte to Solofra | 121.11 mi (194.91 km) |
