| Wilmette to Idar-Oberstein | 4,285.91 mi (6,897.51 km) |
| Wilmette to Idstein | 4,302.28 mi (6,923.84 km) |
| Wilmette to Illertissen | 4,447.89 mi (7,158.19 km) |
| Wilmette to Illingen | 4,288.79 mi (6,902.14 km) |
| Wilmette to Ilmenau | 4,380.58 mi (7,049.87 km) |
| Wilmette to Ilsede | 4,292.79 mi (6,908.59 km) |
| Wilmette to Ilsenburg | 4,325.85 mi (6,961.78 km) |
| Wilmette to Ilsfeld | 4,383.72 mi (7,054.91 km) |
| Wilmette to Ilvesheim | 4,341.85 mi (6,987.53 km) |
| Wilmette to Immenstadt im Allgau | 4,479.01 mi (7,208.28 km) |
| Wilmette to Ingelheim | 4,303.60 mi (6,925.97 km) |
| Wilmette to Ingolstadt | 4,475.84 mi (7,203.16 km) |
| Wilmette to Iserlohn | 4,236.23 mi (6,817.55 km) |
| Wilmette to Isernhagen-Sud | 4,274.93 mi (6,879.83 km) |
| Wilmette to Ismaning | 4,506.83 mi (7,253.05 km) |
