| Lisbon to Idar-Oberstein | 1,109.37 mi (1,785.36 km) |
| Lisbon to Idstein | 1,164.64 mi (1,874.31 km) |
| Lisbon to Illertissen | 1,161.09 mi (1,868.59 km) |
| Lisbon to Illingen | 1,086.17 mi (1,748.01 km) |
| Lisbon to Ilmenau | 1,278.74 mi (2,057.94 km) |
| Lisbon to Ilsede | 1,315.70 mi (2,117.42 km) |
| Lisbon to Ilsenburg | 1,316.19 mi (2,118.21 km) |
| Lisbon to Ilsfeld | 1,155.99 mi (1,860.39 km) |
| Lisbon to Ilvesheim | 1,145.68 mi (1,843.80 km) |
| Lisbon to Immenstadt im Allgau | 1,146.82 mi (1,845.63 km) |
| Lisbon to Ingelheim | 1,146.81 mi (1,845.62 km) |
| Lisbon to Ingolstadt | 1,232.96 mi (1,984.25 km) |
| Lisbon to Iserlohn | 1,193.82 mi (1,921.26 km) |
| Lisbon to Isernhagen-Sud | 1,312.03 mi (2,111.51 km) |
| Lisbon to Ismaning | 1,227.17 mi (1,974.94 km) |
