| Langgons to Idar-Oberstein | 81.03 mi (130.41 km) |
| Langgons to Idstein | 25.92 mi (41.72 km) |
| Langgons to Illertissen | 170.15 mi (273.82 km) |
| Langgons to Illingen | 105.73 mi (170.15 km) |
| Langgons to Ilmenau | 99.62 mi (160.32 km) |
| Langgons to Ilsede | 138.47 mi (222.85 km) |
| Langgons to Ilsenburg | 128.62 mi (206.99 km) |
| Langgons to Ilsfeld | 103.51 mi (166.58 km) |
| Langgons to Ilvesheim | 71.13 mi (114.47 km) |
| Langgons to Immenstadt im Allgau | 214.48 mi (345.17 km) |
| Langgons to Ingelheim | 45.22 mi (72.77 km) |
| Langgons to Ingolstadt | 172.14 mi (277.03 km) |
| Langgons to Iserlohn | 74.97 mi (120.65 km) |
| Langgons to Isernhagen-Sud | 143.12 mi (230.33 km) |
| Langgons to Ismaning | 207.26 mi (333.55 km) |
