| Thornbury to Idar-Oberstein | 450.01 mi (724.21 km) |
| Thornbury to Idstein | 479.64 mi (771.90 km) |
| Thornbury to Illertissen | 606.97 mi (976.82 km) |
| Thornbury to Illingen | 447.95 mi (720.91 km) |
| Thornbury to Ilmenau | 585.39 mi (942.09 km) |
| Thornbury to Ilsede | 542.53 mi (873.11 km) |
| Thornbury to Ilsenburg | 564.64 mi (908.70 km) |
| Thornbury to Ilsfeld | 547.90 mi (881.77 km) |
| Thornbury to Ilvesheim | 508.38 mi (818.16 km) |
| Thornbury to Immenstadt im Allgau | 634.25 mi (1,020.72 km) |
| Thornbury to Ingelheim | 475.29 mi (764.90 km) |
| Thornbury to Ingolstadt | 646.54 mi (1,040.51 km) |
| Thornbury to Iserlohn | 438.31 mi (705.40 km) |
| Thornbury to Isernhagen-Sud | 528.87 mi (851.13 km) |
| Thornbury to Ismaning | 672.14 mi (1,081.70 km) |
