| Webster Groves to Idar-Oberstein | 4,553.32 mi (7,327.86 km) |
| Webster Groves to Idstein | 4,570.78 mi (7,355.96 km) |
| Webster Groves to Illertissen | 4,714.95 mi (7,587.98 km) |
| Webster Groves to Illingen | 4,555.64 mi (7,331.60 km) |
| Webster Groves to Ilmenau | 4,650.83 mi (7,484.79 km) |
| Webster Groves to Ilsede | 4,564.32 mi (7,345.56 km) |
| Webster Groves to Ilsenburg | 4,597.18 mi (7,398.45 km) |
| Webster Groves to Ilsfeld | 4,651.33 mi (7,485.59 km) |
| Webster Groves to Ilvesheim | 4,609.61 mi (7,418.45 km) |
| Webster Groves to Immenstadt im Allgau | 4,745.35 mi (7,636.91 km) |
| Webster Groves to Ingelheim | 4,571.70 mi (7,357.44 km) |
| Webster Groves to Ingolstadt | 4,744.26 mi (7,635.15 km) |
| Webster Groves to Iserlohn | 4,505.78 mi (7,251.36 km) |
| Webster Groves to Isernhagen-Sud | 4,546.49 mi (7,316.86 km) |
| Webster Groves to Ismaning | 4,774.78 mi (7,684.27 km) |
