| Houghton le Spring to Idar-Oberstein | 512.54 mi (824.85 km) |
| Houghton le Spring to Idstein | 518.44 mi (834.35 km) |
| Houghton le Spring to Illertissen | 673.74 mi (1,084.29 km) |
| Houghton le Spring to Illingen | 522.06 mi (840.17 km) |
| Houghton le Spring to Ilmenau | 591.05 mi (951.21 km) |
| Houghton le Spring to Ilsede | 509.50 mi (819.96 km) |
| Houghton le Spring to Ilsenburg | 540.72 mi (870.21 km) |
| Houghton le Spring to Ilsfeld | 605.84 mi (975.01 km) |
| Houghton le Spring to Ilvesheim | 563.44 mi (906.77 km) |
| Houghton le Spring to Immenstadt im Allgau | 711.34 mi (1,144.79 km) |
| Houghton le Spring to Ingelheim | 522.87 mi (841.47 km) |
| Houghton le Spring to Ingolstadt | 690.91 mi (1,111.90 km) |
| Houghton le Spring to Iserlohn | 447.36 mi (719.95 km) |
| Houghton le Spring to Isernhagen-Sud | 492.17 mi (792.06 km) |
| Houghton le Spring to Ismaning | 724.53 mi (1,166.02 km) |
