| Boone to Idar-Oberstein | 4,326.49 mi (6,962.82 km) |
| Boone to Idstein | 4,350.44 mi (7,001.36 km) |
| Boone to Illertissen | 4,484.62 mi (7,217.29 km) |
| Boone to Illingen | 4,325.55 mi (6,961.30 km) |
| Boone to Ilmenau | 4,441.28 mi (7,147.55 km) |
| Boone to Ilsede | 4,364.95 mi (7,024.70 km) |
| Boone to Ilsenburg | 4,396.04 mi (7,074.75 km) |
| Boone to Ilsfeld | 4,424.80 mi (7,121.02 km) |
| Boone to Ilvesheim | 4,384.36 mi (7,055.95 km) |
| Boone to Immenstadt im Allgau | 4,510.67 mi (7,259.22 km) |
| Boone to Ingelheim | 4,348.89 mi (6,998.86 km) |
| Boone to Ingolstadt | 4,521.84 mi (7,277.19 km) |
| Boone to Iserlohn | 4,292.88 mi (6,908.72 km) |
| Boone to Isernhagen-Sud | 4,347.56 mi (6,996.73 km) |
| Boone to Ismaning | 4,549.17 mi (7,321.19 km) |
