| Grudziadz to Idar-Oberstein | 555.17 mi (893.46 km) |
| Grudziadz to Idstein | 500.35 mi (805.24 km) |
| Grudziadz to Illertissen | 524.39 mi (843.92 km) |
| Grudziadz to Illingen | 577.61 mi (929.57 km) |
| Grudziadz to Ilmenau | 384.65 mi (619.04 km) |
| Grudziadz to Ilsede | 367.01 mi (590.64 km) |
| Grudziadz to Ilsenburg | 355.97 mi (572.87 km) |
| Grudziadz to Ilsfeld | 511.98 mi (823.96 km) |
| Grudziadz to Ilvesheim | 518.04 mi (833.71 km) |
| Grudziadz to Immenstadt im Allgau | 554.23 mi (891.94 km) |
| Grudziadz to Ingelheim | 517.45 mi (832.76 km) |
| Grudziadz to Ingolstadt | 455.17 mi (732.53 km) |
| Grudziadz to Iserlohn | 488.59 mi (786.31 km) |
| Grudziadz to Isernhagen-Sud | 377.14 mi (606.94 km) |
| Grudziadz to Ismaning | 476.57 mi (766.96 km) |
