| Longford to Idar-Oberstein | 702.11 mi (1,129.94 km) |
| Longford to Idstein | 723.88 mi (1,164.97 km) |
| Longford to Illertissen | 863.00 mi (1,388.86 km) |
| Longford to Illingen | 703.56 mi (1,132.27 km) |
| Longford to Ilmenau | 817.36 mi (1,315.41 km) |
| Longford to Ilsede | 752.52 mi (1,211.07 km) |
| Longford to Ilsenburg | 780.48 mi (1,256.06 km) |
| Longford to Ilsfeld | 800.44 mi (1,288.18 km) |
| Longford to Ilvesheim | 759.25 mi (1,221.90 km) |
| Longford to Immenstadt im Allgau | 893.24 mi (1,437.52 km) |
| Longford to Ingelheim | 722.79 mi (1,163.21 km) |
| Longford to Ingolstadt | 895.90 mi (1,441.81 km) |
| Longford to Iserlohn | 668.12 mi (1,075.24 km) |
| Longford to Isernhagen-Sud | 736.31 mi (1,184.98 km) |
| Longford to Ismaning | 924.56 mi (1,487.93 km) |
