| Castellabate to Impruneta | 302.42 mi (486.69 km) |
| Castellabate to Induno Olona | 493.23 mi (793.78 km) |
| Castellabate to Inverigo | 475.14 mi (764.67 km) |
| Castellabate to Inveruno | 475.51 mi (765.25 km) |
| Castellabate to Inzago | 456.29 mi (734.33 km) |
| Castellabate to Iseo | 446.47 mi (718.52 km) |
| Castellabate to Isernia | 98.75 mi (158.93 km) |
| Castellabate to Isola Capo Rizzuto | 146.02 mi (235.00 km) |
| Castellabate to Isola del Liri | 120.60 mi (194.09 km) |
| Castellabate to Isola della Scala | 398.45 mi (641.24 km) |
| Castellabate to Isola Vicentina | 410.06 mi (659.94 km) |
| Castellabate to Ispica | 241.54 mi (388.72 km) |
| Castellabate to Istrana | 400.21 mi (644.08 km) |
| Castellabate to Itri | 101.64 mi (163.57 km) |
| Castellabate to Ittiri | 336.48 mi (541.51 km) |
