| Idar-Oberstein to Impruneta | 456.21 mi (734.20 km) |
| Idar-Oberstein to Induno Olona | 275.96 mi (444.11 km) |
| Idar-Oberstein to Inverigo | 288.72 mi (464.66 km) |
| Idar-Oberstein to Inveruno | 298.52 mi (480.42 km) |
| Idar-Oberstein to Inzago | 305.82 mi (492.18 km) |
| Idar-Oberstein to Iseo | 307.62 mi (495.06 km) |
| Idar-Oberstein to Isernia | 651.87 mi (1,049.08 km) |
| Idar-Oberstein to Isola Capo Rizzuto | 884.72 mi (1,423.82 km) |
| Idar-Oberstein to Isola del Liri | 631.32 mi (1,016.02 km) |
| Idar-Oberstein to Isola della Scala | 352.04 mi (566.55 km) |
| Idar-Oberstein to Isola Vicentina | 341.11 mi (548.97 km) |
| Idar-Oberstein to Ispica | 970.21 mi (1,561.41 km) |
| Idar-Oberstein to Istrana | 356.23 mi (573.30 km) |
| Idar-Oberstein to Itri | 655.08 mi (1,054.25 km) |
| Idar-Oberstein to Ittiri | 632.47 mi (1,017.86 km) |
