| Harrow Weald to Idar-Oberstein | 359.57 mi (578.66 km) |
| Harrow Weald to Idstein | 386.95 mi (622.74 km) |
| Harrow Weald to Illertissen | 518.80 mi (834.93 km) |
| Harrow Weald to Illingen | 359.30 mi (578.24 km) |
| Harrow Weald to Ilmenau | 491.64 mi (791.21 km) |
| Harrow Weald to Ilsede | 450.17 mi (724.48 km) |
| Harrow Weald to Ilsenburg | 471.53 mi (758.86 km) |
| Harrow Weald to Ilsfeld | 457.86 mi (736.85 km) |
| Harrow Weald to Ilvesheim | 417.59 mi (672.04 km) |
| Harrow Weald to Immenstadt im Allgau | 548.22 mi (882.27 km) |
| Harrow Weald to Ingelheim | 383.34 mi (616.92 km) |
| Harrow Weald to Ingolstadt | 555.48 mi (893.96 km) |
| Harrow Weald to Iserlohn | 344.55 mi (554.50 km) |
| Harrow Weald to Isernhagen-Sud | 436.95 mi (703.20 km) |
| Harrow Weald to Ismaning | 582.24 mi (937.02 km) |
