| Hillsborough to Idar-Oberstein | 3,845.33 mi (6,188.46 km) |
| Hillsborough to Idstein | 3,869.73 mi (6,227.73 km) |
| Hillsborough to Illertissen | 4,003.18 mi (6,442.50 km) |
| Hillsborough to Illingen | 3,844.19 mi (6,186.63 km) |
| Hillsborough to Ilmenau | 3,961.49 mi (6,375.41 km) |
| Hillsborough to Ilsede | 3,886.43 mi (6,254.61 km) |
| Hillsborough to Ilsenburg | 3,917.26 mi (6,304.23 km) |
| Hillsborough to Ilsfeld | 3,943.60 mi (6,346.62 km) |
| Hillsborough to Ilvesheim | 3,903.27 mi (6,281.71 km) |
| Hillsborough to Immenstadt im Allgau | 4,029.02 mi (6,484.08 km) |
| Hillsborough to Ingelheim | 3,867.99 mi (6,224.93 km) |
| Hillsborough to Ingolstadt | 4,040.86 mi (6,503.14 km) |
| Hillsborough to Iserlohn | 3,812.89 mi (6,136.25 km) |
| Hillsborough to Isernhagen-Sud | 3,869.13 mi (6,226.76 km) |
| Hillsborough to Ismaning | 4,067.97 mi (6,546.77 km) |
