| Portishead to Idar-Oberstein | 458.14 mi (737.30 km) |
| Portishead to Idstein | 488.78 mi (786.62 km) |
| Portishead to Illertissen | 614.18 mi (988.42 km) |
| Portishead to Illingen | 455.46 mi (732.99 km) |
| Portishead to Ilmenau | 595.53 mi (958.41 km) |
| Portishead to Ilsede | 554.12 mi (891.77 km) |
| Portishead to Ilsenburg | 575.89 mi (926.80 km) |
| Portishead to Ilsfeld | 555.80 mi (894.48 km) |
| Portishead to Ilvesheim | 516.60 mi (831.38 km) |
| Portishead to Immenstadt im Allgau | 640.78 mi (1,031.23 km) |
| Portishead to Ingelheim | 484.04 mi (778.99 km) |
| Portishead to Ingolstadt | 654.79 mi (1,053.78 km) |
| Portishead to Iserlohn | 448.91 mi (722.45 km) |
| Portishead to Isernhagen-Sud | 540.60 mi (870.02 km) |
| Portishead to Ismaning | 679.91 mi (1,094.21 km) |
