| Castellana Grotte to Impruneta | 358.89 mi (577.57 km) |
| Castellana Grotte to Induno Olona | 540.76 mi (870.27 km) |
| Castellana Grotte to Inverigo | 521.14 mi (838.69 km) |
| Castellana Grotte to Inveruno | 526.74 mi (847.71 km) |
| Castellana Grotte to Inzago | 502.53 mi (808.75 km) |
| Castellana Grotte to Iseo | 486.38 mi (782.76 km) |
| Castellana Grotte to Isernia | 159.98 mi (257.45 km) |
| Castellana Grotte to Isola Capo Rizzuto | 133.02 mi (214.07 km) |
| Castellana Grotte to Isola del Liri | 194.52 mi (313.06 km) |
| Castellana Grotte to Isola della Scala | 433.75 mi (698.06 km) |
| Castellana Grotte to Isola Vicentina | 436.18 mi (701.96 km) |
| Castellana Grotte to Ispica | 308.40 mi (496.33 km) |
| Castellana Grotte to Istrana | 418.06 mi (672.81 km) |
| Castellana Grotte to Itri | 191.22 mi (307.74 km) |
| Castellana Grotte to Ittiri | 450.45 mi (724.92 km) |
