| Heerlen to Imola | 523.87 mi (843.09 km) |
| Heerlen to Impruneta | 555.00 mi (893.19 km) |
| Heerlen to Induno Olona | 371.49 mi (597.85 km) |
| Heerlen to Inverigo | 385.51 mi (620.42 km) |
| Heerlen to Inveruno | 393.52 mi (633.31 km) |
| Heerlen to Inzago | 403.14 mi (648.78 km) |
| Heerlen to Iseo | 406.49 mi (654.18 km) |
| Heerlen to Isernia | 751.81 mi (1,209.93 km) |
| Heerlen to Isola Capo Rizzuto | 984.70 mi (1,584.73 km) |
| Heerlen to Isola del Liri | 731.05 mi (1,176.51 km) |
| Heerlen to Isola della Scala | 451.78 mi (727.07 km) |
| Heerlen to Isola Vicentina | 441.11 mi (709.90 km) |
| Heerlen to Ispica | 1,068.95 mi (1,720.30 km) |
| Heerlen to Istrana | 455.94 mi (733.76 km) |
| Heerlen to Itri | 754.64 mi (1,214.48 km) |
