| Plymstock to Idar-Oberstein | 507.54 mi (816.80 km) |
| Plymstock to Idstein | 545.27 mi (877.53 km) |
| Plymstock to Illertissen | 654.55 mi (1,053.40 km) |
| Plymstock to Illingen | 500.35 mi (805.24 km) |
| Plymstock to Ilmenau | 658.62 mi (1,059.94 km) |
| Plymstock to Ilsede | 629.30 mi (1,012.77 km) |
| Plymstock to Ilsenburg | 648.09 mi (1,043.00 km) |
| Plymstock to Ilsfeld | 602.07 mi (968.93 km) |
| Plymstock to Ilvesheim | 565.75 mi (910.49 km) |
| Plymstock to Immenstadt im Allgau | 675.81 mi (1,087.61 km) |
| Plymstock to Ingelheim | 537.64 mi (865.24 km) |
| Plymstock to Ingolstadt | 702.68 mi (1,130.85 km) |
| Plymstock to Iserlohn | 516.94 mi (831.94 km) |
| Plymstock to Isernhagen-Sud | 617.09 mi (993.11 km) |
| Plymstock to Ismaning | 723.94 mi (1,165.06 km) |
