| Castellabate to Somma Lombardo | 488.89 mi (786.79 km) |
| Castellabate to Somma Vesuviana | 49.14 mi (79.09 km) |
| Castellabate to Sommacampagna | 410.24 mi (660.21 km) |
| Castellabate to Sona | 412.62 mi (664.04 km) |
| Castellabate to Sondrio | 480.54 mi (773.35 km) |
| Castellabate to Sora | 121.34 mi (195.27 km) |
| Castellabate to Sorbolo | 389.90 mi (627.48 km) |
| Castellabate to Soresina | 431.64 mi (694.66 km) |
| Castellabate to Sorisole | 462.21 mi (743.85 km) |
| Castellabate to Sorrento | 38.84 mi (62.50 km) |
| Castellabate to Sorso | 336.62 mi (541.73 km) |
| Castellabate to Sortino | 215.08 mi (346.13 km) |
| Castellabate to Soverato Marina | 139.31 mi (224.20 km) |
| Castellabate to Sovicille | 282.46 mi (454.57 km) |
| Castellabate to Spello | 221.18 mi (355.95 km) |
