| Debrecen to Idar-Oberstein | 670.33 mi (1,078.80 km) |
| Debrecen to Idstein | 634.14 mi (1,020.56 km) |
| Debrecen to Illertissen | 537.15 mi (864.46 km) |
| Debrecen to Illingen | 679.37 mi (1,093.33 km) |
| Debrecen to Ilmenau | 530.95 mi (854.47 km) |
| Debrecen to Ilsede | 604.80 mi (973.33 km) |
| Debrecen to Ilsenburg | 573.15 mi (922.39 km) |
| Debrecen to Ilsfeld | 578.47 mi (930.96 km) |
| Debrecen to Ilvesheim | 612.46 mi (985.66 km) |
| Debrecen to Immenstadt im Allgau | 532.22 mi (856.53 km) |
| Debrecen to Ingelheim | 640.38 mi (1,030.59 km) |
| Debrecen to Ingolstadt | 478.15 mi (769.50 km) |
| Debrecen to Iserlohn | 680.29 mi (1,094.83 km) |
| Debrecen to Isernhagen-Sud | 622.40 mi (1,001.66 km) |
| Debrecen to Ismaning | 464.04 mi (746.80 km) |
