| Grenade to Impruneta | 496.88 mi (799.65 km) |
| Grenade to Induno Olona | 396.33 mi (637.82 km) |
| Grenade to Inverigo | 411.53 mi (662.29 km) |
| Grenade to Inveruno | 390.39 mi (628.27 km) |
| Grenade to Inzago | 420.35 mi (676.48 km) |
| Grenade to Iseo | 449.19 mi (722.90 km) |
| Grenade to Isernia | 673.63 mi (1,084.10 km) |
| Grenade to Isola Capo Rizzuto | 882.54 mi (1,420.31 km) |
| Grenade to Isola del Liri | 639.16 mi (1,028.64 km) |
| Grenade to Isola della Scala | 489.45 mi (787.70 km) |
| Grenade to Isola Vicentina | 514.73 mi (828.37 km) |
| Grenade to Ispica | 862.88 mi (1,388.67 km) |
| Grenade to Istrana | 546.22 mi (879.06 km) |
| Grenade to Itri | 645.84 mi (1,039.38 km) |
| Grenade to Ittiri | 431.83 mi (694.96 km) |
