| Danbury to Idar-Oberstein | 3,758.57 mi (6,048.84 km) |
| Danbury to Idstein | 3,782.83 mi (6,087.88 km) |
| Danbury to Illertissen | 3,916.54 mi (6,303.06 km) |
| Danbury to Illingen | 3,757.52 mi (6,047.14 km) |
| Danbury to Ilmenau | 3,874.42 mi (6,235.28 km) |
| Danbury to Ilsede | 3,799.23 mi (6,114.26 km) |
| Danbury to Ilsenburg | 3,830.08 mi (6,163.92 km) |
| Danbury to Ilsfeld | 3,856.86 mi (6,207.01 km) |
| Danbury to Ilvesheim | 3,816.49 mi (6,142.05 km) |
| Danbury to Immenstadt im Allgau | 3,942.51 mi (6,344.85 km) |
| Danbury to Ingelheim | 3,781.15 mi (6,085.17 km) |
| Danbury to Ingolstadt | 3,954.04 mi (6,363.42 km) |
| Danbury to Iserlohn | 3,725.84 mi (5,996.17 km) |
| Danbury to Isernhagen-Sud | 3,781.92 mi (6,086.41 km) |
| Danbury to Ismaning | 3,981.23 mi (6,407.17 km) |
