| Hopatcong to Idar-Oberstein | 3,826.16 mi (6,157.61 km) |
| Hopatcong to Idstein | 3,850.19 mi (6,196.28 km) |
| Hopatcong to Illertissen | 3,984.29 mi (6,412.10 km) |
| Hopatcong to Illingen | 3,825.21 mi (6,156.09 km) |
| Hopatcong to Ilmenau | 3,941.39 mi (6,343.05 km) |
| Hopatcong to Ilsede | 3,865.73 mi (6,221.29 km) |
| Hopatcong to Ilsenburg | 3,896.67 mi (6,271.09 km) |
| Hopatcong to Ilsfeld | 3,924.46 mi (6,315.81 km) |
| Hopatcong to Ilvesheim | 3,884.04 mi (6,250.75 km) |
| Hopatcong to Immenstadt im Allgau | 4,010.40 mi (6,454.12 km) |
| Hopatcong to Ingelheim | 3,848.59 mi (6,193.71 km) |
| Hopatcong to Ingolstadt | 4,021.53 mi (6,472.03 km) |
| Hopatcong to Iserlohn | 3,792.89 mi (6,104.07 km) |
| Hopatcong to Isernhagen-Sud | 3,848.39 mi (6,193.39 km) |
| Hopatcong to Ismaning | 4,048.84 mi (6,515.97 km) |
