| Cities | Distance |
|---|---|
| Harrow to Idar-Oberstein | 359.43 mi (578.44 km) |
| Harrow to Idstein | 387.00 mi (622.82 km) |
| Harrow to Illertissen | 518.55 mi (834.53 km) |
| Harrow to Illingen | 359.06 mi (577.85 km) |
| Harrow to Ilmenau | 491.88 mi (791.61 km) |
| Harrow to Ilsede | 450.73 mi (725.38 km) |
| Harrow to Ilsenburg | 472.01 mi (759.63 km) |
| Harrow to Ilsfeld | 457.70 mi (736.60 km) |
| Harrow to Ilvesheim | 417.48 mi (671.86 km) |
| Harrow to Immenstadt im Allgau | 547.88 mi (881.72 km) |
| Harrow to Ingelheim | 383.31 mi (616.89 km) |
| Harrow to Ingolstadt | 555.40 mi (893.83 km) |
| Harrow to Iserlohn | 344.89 mi (555.04 km) |
| Harrow to Isernhagen-Sud | 437.54 mi (704.15 km) |
| Harrow to Ismaning | 582.08 mi (936.77 km) |