| Leonberg to Impruneta | 369.38 mi (594.47 km) |
| Leonberg to Induno Olona | 204.10 mi (328.46 km) |
| Leonberg to Inverigo | 212.20 mi (341.50 km) |
| Leonberg to Inveruno | 227.08 mi (365.45 km) |
| Leonberg to Inzago | 226.88 mi (365.13 km) |
| Leonberg to Iseo | 222.56 mi (358.18 km) |
| Leonberg to Isernia | 558.35 mi (898.58 km) |
| Leonberg to Isola Capo Rizzuto | 789.21 mi (1,270.12 km) |
| Leonberg to Isola del Liri | 539.52 mi (868.28 km) |
| Leonberg to Isola della Scala | 261.53 mi (420.89 km) |
| Leonberg to Isola Vicentina | 246.94 mi (397.41 km) |
| Leonberg to Ispica | 881.70 mi (1,418.96 km) |
| Leonberg to Istrana | 259.53 mi (417.67 km) |
| Leonberg to Itri | 564.12 mi (907.87 km) |
| Leonberg to Ittiri | 567.08 mi (912.63 km) |
