| Hartford to Idar-Oberstein | 3,711.00 mi (5,972.27 km) |
| Hartford to Idstein | 3,735.35 mi (6,011.46 km) |
| Hartford to Illertissen | 3,868.91 mi (6,226.40 km) |
| Hartford to Illingen | 3,709.90 mi (5,970.50 km) |
| Hartford to Ilmenau | 3,827.09 mi (6,159.11 km) |
| Hartford to Ilsede | 3,752.10 mi (6,038.42 km) |
| Hartford to Ilsenburg | 3,782.91 mi (6,088.01 km) |
| Hartford to Ilsfeld | 3,809.27 mi (6,130.43 km) |
| Hartford to Ilvesheim | 3,768.93 mi (6,065.50 km) |
| Hartford to Immenstadt im Allgau | 3,894.82 mi (6,268.11 km) |
| Hartford to Ingelheim | 3,733.62 mi (6,008.68 km) |
| Hartford to Ingolstadt | 3,906.50 mi (6,286.91 km) |
| Hartford to Iserlohn | 3,678.48 mi (5,919.94 km) |
| Hartford to Isernhagen-Sud | 3,734.80 mi (6,010.59 km) |
| Hartford to Ismaning | 3,933.65 mi (6,330.59 km) |