| Grudziadz to Imola | 706.64 mi (1,137.23 km) |
| Grudziadz to Impruneta | 758.32 mi (1,220.40 km) |
| Grudziadz to Induno Olona | 688.13 mi (1,107.44 km) |
| Grudziadz to Inverigo | 683.91 mi (1,100.64 km) |
| Grudziadz to Inveruno | 706.34 mi (1,136.75 km) |
| Grudziadz to Inzago | 688.05 mi (1,107.32 km) |
| Grudziadz to Iseo | 665.74 mi (1,071.41 km) |
| Grudziadz to Isernia | 847.29 mi (1,363.58 km) |
| Grudziadz to Isola Capo Rizzuto | 1,006.89 mi (1,620.43 km) |
| Grudziadz to Isola del Liri | 850.29 mi (1,368.40 km) |
| Grudziadz to Isola della Scala | 665.30 mi (1,070.70 km) |
| Grudziadz to Isola Vicentina | 633.03 mi (1,018.77 km) |
| Grudziadz to Ispica | 1,168.91 mi (1,881.17 km) |
| Grudziadz to Istrana | 615.51 mi (990.57 km) |
| Grudziadz to Itri | 877.30 mi (1,411.88 km) |
