| Heidelberg to Impruneta | 413.96 mi (666.20 km) |
| Heidelberg to Induno Olona | 246.49 mi (396.70 km) |
| Heidelberg to Inverigo | 255.56 mi (411.29 km) |
| Heidelberg to Inveruno | 269.54 mi (433.78 km) |
| Heidelberg to Inzago | 270.69 mi (435.63 km) |
| Heidelberg to Iseo | 267.03 mi (429.74 km) |
| Heidelberg to Isernia | 602.09 mi (968.97 km) |
| Heidelberg to Isola Capo Rizzuto | 832.13 mi (1,339.18 km) |
| Heidelberg to Isola del Liri | 583.64 mi (939.29 km) |
| Heidelberg to Isola della Scala | 305.99 mi (492.44 km) |
| Heidelberg to Isola Vicentina | 290.81 mi (468.01 km) |
| Heidelberg to Ispica | 926.15 mi (1,490.50 km) |
| Heidelberg to Istrana | 302.31 mi (486.52 km) |
| Heidelberg to Itri | 608.37 mi (979.07 km) |
| Heidelberg to Ittiri | 609.22 mi (980.44 km) |
