| Twickenham to Idar-Oberstein | 356.26 mi (573.35 km) |
| Twickenham to Idstein | 384.98 mi (619.57 km) |
| Twickenham to Illertissen | 514.68 mi (828.30 km) |
| Twickenham to Illingen | 355.27 mi (571.75 km) |
| Twickenham to Ilmenau | 491.10 mi (790.36 km) |
| Twickenham to Ilsede | 452.06 mi (727.53 km) |
| Twickenham to Ilsenburg | 472.78 mi (760.87 km) |
| Twickenham to Ilsfeld | 454.42 mi (731.32 km) |
| Twickenham to Ilvesheim | 414.47 mi (667.03 km) |
| Twickenham to Immenstadt im Allgau | 543.46 mi (874.61 km) |
| Twickenham to Ingelheim | 380.85 mi (612.91 km) |
| Twickenham to Ingolstadt | 552.53 mi (889.21 km) |
| Twickenham to Iserlohn | 344.74 mi (554.81 km) |
| Twickenham to Isernhagen-Sud | 439.13 mi (706.71 km) |
| Twickenham to Ismaning | 578.77 mi (931.44 km) |
