| Buffalo Grove to Idar-Oberstein | 4,290.35 mi (6,904.65 km) |
| Buffalo Grove to Idstein | 4,306.52 mi (6,930.68 km) |
| Buffalo Grove to Illertissen | 4,452.38 mi (7,165.42 km) |
| Buffalo Grove to Illingen | 4,293.33 mi (6,909.44 km) |
| Buffalo Grove to Ilmenau | 4,384.49 mi (7,056.16 km) |
| Buffalo Grove to Ilsede | 4,296.44 mi (6,914.45 km) |
| Buffalo Grove to Ilsenburg | 4,329.54 mi (6,967.72 km) |
| Buffalo Grove to Ilsfeld | 4,388.12 mi (7,062.00 km) |
| Buffalo Grove to Ilvesheim | 4,346.23 mi (6,994.58 km) |
| Buffalo Grove to Immenstadt im Allgau | 4,483.62 mi (7,215.69 km) |
| Buffalo Grove to Ingelheim | 4,307.91 mi (6,932.92 km) |
| Buffalo Grove to Ingolstadt | 4,480.09 mi (7,210.01 km) |
| Buffalo Grove to Iserlohn | 4,240.28 mi (6,824.07 km) |
| Buffalo Grove to Isernhagen-Sud | 4,278.56 mi (6,885.69 km) |
| Buffalo Grove to Ismaning | 4,511.17 mi (7,260.03 km) |
