| Castellbisbal to Idar-Oberstein | 624.22 mi (1,004.58 km) |
| Castellbisbal to Idstein | 675.20 mi (1,086.63 km) |
| Castellbisbal to Illertissen | 611.15 mi (983.55 km) |
| Castellbisbal to Illingen | 598.29 mi (962.86 km) |
| Castellbisbal to Ilmenau | 765.70 mi (1,232.27 km) |
| Castellbisbal to Ilsede | 838.90 mi (1,350.08 km) |
| Castellbisbal to Ilsenburg | 826.63 mi (1,330.32 km) |
| Castellbisbal to Ilsfeld | 630.80 mi (1,015.17 km) |
| Castellbisbal to Ilvesheim | 637.39 mi (1,025.79 km) |
| Castellbisbal to Immenstadt im Allgau | 583.84 mi (939.59 km) |
| Castellbisbal to Ingelheim | 655.66 mi (1,055.19 km) |
| Castellbisbal to Ingolstadt | 681.18 mi (1,096.25 km) |
| Castellbisbal to Iserlohn | 735.51 mi (1,183.69 km) |
| Castellbisbal to Isernhagen-Sud | 842.10 mi (1,355.23 km) |
| Castellbisbal to Ismaning | 664.45 mi (1,069.32 km) |
