| Heiloo to Imola | 653.06 mi (1,051.00 km) |
| Heiloo to Impruneta | 685.11 mi (1,102.57 km) |
| Heiloo to Induno Olona | 501.80 mi (807.57 km) |
| Heiloo to Inverigo | 515.91 mi (830.28 km) |
| Heiloo to Inveruno | 523.75 mi (842.89 km) |
| Heiloo to Inzago | 533.53 mi (858.63 km) |
| Heiloo to Iseo | 536.53 mi (863.45 km) |
| Heiloo to Isernia | 880.31 mi (1,416.72 km) |
| Heiloo to Isola Capo Rizzuto | 1,111.94 mi (1,789.49 km) |
| Heiloo to Isola del Liri | 860.25 mi (1,384.44 km) |
| Heiloo to Isola della Scala | 581.00 mi (935.03 km) |
| Heiloo to Isola Vicentina | 569.02 mi (915.75 km) |
| Heiloo to Ispica | 1,199.10 mi (1,929.77 km) |
| Heiloo to Istrana | 582.23 mi (937.01 km) |
| Heiloo to Itri | 884.12 mi (1,422.86 km) |
