| Gragnano to Impruneta | 265.57 mi (427.40 km) |
| Gragnano to Induno Olona | 456.40 mi (734.51 km) |
| Gragnano to Inverigo | 438.35 mi (705.45 km) |
| Gragnano to Inveruno | 438.66 mi (705.96 km) |
| Gragnano to Inzago | 419.50 mi (675.12 km) |
| Gragnano to Iseo | 409.87 mi (659.63 km) |
| Gragnano to Isernia | 64.29 mi (103.47 km) |
| Gragnano to Isola Capo Rizzuto | 182.04 mi (292.97 km) |
| Gragnano to Isola del Liri | 83.79 mi (134.85 km) |
| Gragnano to Isola della Scala | 362.18 mi (582.87 km) |
| Gragnano to Isola Vicentina | 374.43 mi (602.58 km) |
| Gragnano to Ispica | 271.11 mi (436.31 km) |
| Gragnano to Istrana | 365.41 mi (588.07 km) |
| Gragnano to Itri | 65.36 mi (105.18 km) |
| Gragnano to Ittiri | 311.86 mi (501.89 km) |
