| Castellana Grotte to Idar-Oberstein | 774.13 mi (1,245.84 km) |
| Castellana Grotte to Idstein | 774.24 mi (1,246.02 km) |
| Castellana Grotte to Illertissen | 614.53 mi (989.00 km) |
| Castellana Grotte to Illingen | 765.06 mi (1,231.24 km) |
| Castellana Grotte to Ilmenau | 740.39 mi (1,191.55 km) |
| Castellana Grotte to Ilsede | 852.62 mi (1,372.17 km) |
| Castellana Grotte to Ilsenburg | 818.60 mi (1,317.41 km) |
| Castellana Grotte to Ilsfeld | 683.40 mi (1,099.83 km) |
| Castellana Grotte to Ilvesheim | 725.33 mi (1,167.31 km) |
| Castellana Grotte to Immenstadt im Allgau | 575.38 mi (925.99 km) |
| Castellana Grotte to Ingelheim | 766.70 mi (1,233.89 km) |
| Castellana Grotte to Ingolstadt | 612.43 mi (985.60 km) |
| Castellana Grotte to Iserlohn | 854.70 mi (1,375.51 km) |
| Castellana Grotte to Isernhagen-Sud | 869.04 mi (1,398.58 km) |
| Castellana Grotte to Ismaning | 574.60 mi (924.73 km) |
