| Thetford to Idar-Oberstein | 340.74 mi (548.36 km) |
| Thetford to Idstein | 358.58 mi (577.09 km) |
| Thetford to Illertissen | 503.25 mi (809.90 km) |
| Thetford to Illingen | 345.65 mi (556.27 km) |
| Thetford to Ilmenau | 452.92 mi (728.90 km) |
| Thetford to Ilsede | 398.50 mi (641.32 km) |
| Thetford to Ilsenburg | 422.99 mi (680.74 km) |
| Thetford to Ilsfeld | 438.23 mi (705.26 km) |
| Thetford to Ilvesheim | 396.33 mi (637.83 km) |
| Thetford to Immenstadt im Allgau | 537.05 mi (864.29 km) |
| Thetford to Ingelheim | 358.49 mi (576.93 km) |
| Thetford to Ingolstadt | 531.43 mi (855.25 km) |
| Thetford to Iserlohn | 303.60 mi (488.59 km) |
| Thetford to Isernhagen-Sud | 383.91 mi (617.84 km) |
| Thetford to Ismaning | 561.44 mi (903.55 km) |
