| Montabaur to Idar-Oberstein | 55.08 mi (88.64 km) |
| Montabaur to Idstein | 24.81 mi (39.93 km) |
| Montabaur to Illertissen | 184.04 mi (296.19 km) |
| Montabaur to Illingen | 80.99 mi (130.34 km) |
| Montabaur to Ilmenau | 136.84 mi (220.22 km) |
| Montabaur to Ilsede | 162.22 mi (261.07 km) |
| Montabaur to Ilsenburg | 158.37 mi (254.87 km) |
| Montabaur to Ilsfeld | 115.03 mi (185.13 km) |
| Montabaur to Ilvesheim | 74.38 mi (119.70 km) |
| Montabaur to Immenstadt im Allgau | 226.00 mi (363.71 km) |
| Montabaur to Ingelheim | 33.56 mi (54.01 km) |
| Montabaur to Ingolstadt | 198.36 mi (319.23 km) |
| Montabaur to Iserlohn | 65.71 mi (105.76 km) |
| Montabaur to Isernhagen-Sud | 163.35 mi (262.89 km) |
| Montabaur to Ismaning | 230.90 mi (371.59 km) |
