| Nettuno to Idar-Oberstein | 625.31 mi (1,006.33 km) |
| Nettuno to Idstein | 640.43 mi (1,030.67 km) |
| Nettuno to Illertissen | 483.17 mi (777.59 km) |
| Nettuno to Illingen | 610.15 mi (981.95 km) |
| Nettuno to Ilmenau | 642.28 mi (1,033.65 km) |
| Nettuno to Ilsede | 755.25 mi (1,215.46 km) |
| Nettuno to Ilsenburg | 724.62 mi (1,166.17 km) |
| Nettuno to Ilsfeld | 549.52 mi (884.37 km) |
| Nettuno to Ilvesheim | 587.50 mi (945.48 km) |
| Nettuno to Immenstadt im Allgau | 438.35 mi (705.46 km) |
| Nettuno to Ingelheim | 628.19 mi (1,010.98 km) |
| Nettuno to Ingolstadt | 507.74 mi (817.12 km) |
| Nettuno to Iserlohn | 724.94 mi (1,166.67 km) |
| Nettuno to Isernhagen-Sud | 769.12 mi (1,237.78 km) |
| Nettuno to Ismaning | 469.57 mi (755.70 km) |
