| Castellammare del Golfo to Idar-Oberstein | 853.05 mi (1,372.85 km) |
| Castellammare del Golfo to Idstein | 872.52 mi (1,404.19 km) |
| Castellammare del Golfo to Illertissen | 717.94 mi (1,155.41 km) |
| Castellammare del Golfo to Illingen | 835.86 mi (1,345.19 km) |
| Castellammare del Golfo to Ilmenau | 879.81 mi (1,415.93 km) |
| Castellammare del Golfo to Ilsede | 992.47 mi (1,597.22 km) |
| Castellammare del Golfo to Ilsenburg | 962.17 mi (1,548.47 km) |
| Castellammare del Golfo to Ilsfeld | 782.82 mi (1,259.82 km) |
| Castellammare del Golfo to Ilvesheim | 819.26 mi (1,318.48 km) |
| Castellammare del Golfo to Immenstadt im Allgau | 672.75 mi (1,082.69 km) |
| Castellammare del Golfo to Ingelheim | 859.19 mi (1,382.73 km) |
| Castellammare del Golfo to Ingolstadt | 745.39 mi (1,199.58 km) |
| Castellammare del Golfo to Iserlohn | 957.11 mi (1,540.32 km) |
| Castellammare del Golfo to Isernhagen-Sud | 1,006.06 mi (1,619.10 km) |
| Castellammare del Golfo to Ismaning | 707.35 mi (1,138.38 km) |
