| Grumo Appula to Impruneta | 333.64 mi (536.95 km) |
| Grumo Appula to Induno Olona | 516.58 mi (831.36 km) |
| Grumo Appula to Inverigo | 497.05 mi (799.93 km) |
| Grumo Appula to Inveruno | 502.24 mi (808.28 km) |
| Grumo Appula to Inzago | 478.38 mi (769.88 km) |
| Grumo Appula to Iseo | 462.75 mi (744.73 km) |
| Grumo Appula to Isernia | 133.95 mi (215.57 km) |
| Grumo Appula to Isola Capo Rizzuto | 143.71 mi (231.28 km) |
| Grumo Appula to Isola del Liri | 168.53 mi (271.23 km) |
| Grumo Appula to Isola della Scala | 410.40 mi (660.47 km) |
| Grumo Appula to Isola Vicentina | 413.79 mi (665.92 km) |
| Grumo Appula to Ispica | 308.08 mi (495.80 km) |
| Grumo Appula to Istrana | 396.55 mi (638.19 km) |
| Grumo Appula to Itri | 165.77 mi (266.78 km) |
| Grumo Appula to Ittiri | 426.16 mi (685.84 km) |
