| Glendale Heights to Idar-Oberstein | 4,306.47 mi (6,930.59 km) |
| Glendale Heights to Idstein | 4,322.76 mi (6,956.81 km) |
| Glendale Heights to Illertissen | 4,468.46 mi (7,191.30 km) |
| Glendale Heights to Illingen | 4,309.38 mi (6,935.28 km) |
| Glendale Heights to Ilmenau | 4,400.94 mi (7,082.63 km) |
| Glendale Heights to Ilsede | 4,313.04 mi (6,941.17 km) |
| Glendale Heights to Ilsenburg | 4,346.11 mi (6,994.39 km) |
| Glendale Heights to Ilsfeld | 4,404.26 mi (7,087.97 km) |
| Glendale Heights to Ilvesheim | 4,362.38 mi (7,020.58 km) |
| Glendale Heights to Immenstadt im Allgau | 4,499.63 mi (7,241.45 km) |
| Glendale Heights to Ingelheim | 4,324.11 mi (6,958.98 km) |
| Glendale Heights to Ingolstadt | 4,496.33 mi (7,236.14 km) |
| Glendale Heights to Iserlohn | 4,256.64 mi (6,850.40 km) |
| Glendale Heights to Isernhagen-Sud | 4,295.17 mi (6,912.41 km) |
| Glendale Heights to Ismaning | 4,527.35 mi (7,286.07 km) |
