| Leiden to Imola | 632.86 mi (1,018.50 km) |
| Leiden to Impruneta | 663.40 mi (1,067.64 km) |
| Leiden to Induno Olona | 478.15 mi (769.50 km) |
| Leiden to Inverigo | 492.87 mi (793.20 km) |
| Leiden to Inveruno | 499.77 mi (804.31 km) |
| Leiden to Inzago | 510.77 mi (822.00 km) |
| Leiden to Iseo | 515.02 mi (828.85 km) |
| Leiden to Isernia | 860.90 mi (1,385.48 km) |
| Leiden to Isola Capo Rizzuto | 1,093.74 mi (1,760.20 km) |
| Leiden to Isola del Liri | 840.02 mi (1,351.88 km) |
| Leiden to Isola della Scala | 560.78 mi (902.49 km) |
| Leiden to Isola Vicentina | 550.18 mi (885.43 km) |
| Leiden to Ispica | 1,177.14 mi (1,894.42 km) |
| Leiden to Istrana | 564.71 mi (908.81 km) |
| Leiden to Itri | 863.49 mi (1,389.66 km) |
