| Gebze to Idar-Oberstein | 1,232.83 mi (1,984.05 km) |
| Gebze to Idstein | 1,207.26 mi (1,942.89 km) |
| Gebze to Illertissen | 1,078.17 mi (1,735.15 km) |
| Gebze to Illingen | 1,235.51 mi (1,988.37 km) |
| Gebze to Ilmenau | 1,118.72 mi (1,800.41 km) |
| Gebze to Ilsede | 1,203.57 mi (1,936.96 km) |
| Gebze to Ilsenburg | 1,170.62 mi (1,883.93 km) |
| Gebze to Ilsfeld | 1,134.93 mi (1,826.49 km) |
| Gebze to Ilvesheim | 1,174.57 mi (1,890.29 km) |
| Gebze to Immenstadt im Allgau | 1,056.87 mi (1,700.87 km) |
| Gebze to Ingelheim | 1,209.18 mi (1,945.99 km) |
| Gebze to Ingolstadt | 1,036.60 mi (1,668.25 km) |
| Gebze to Iserlohn | 1,265.93 mi (2,037.32 km) |
| Gebze to Isernhagen-Sud | 1,221.43 mi (1,965.71 km) |
| Gebze to Ismaning | 1,010.85 mi (1,626.81 km) |
