| Alcacer do Sal to Idar-Oberstein | 1,105.47 mi (1,779.09 km) |
| Alcacer do Sal to Idstein | 1,160.81 mi (1,868.14 km) |
| Alcacer do Sal to Illertissen | 1,151.41 mi (1,853.01 km) |
| Alcacer do Sal to Illingen | 1,081.83 mi (1,741.04 km) |
| Alcacer do Sal to Ilmenau | 1,273.46 mi (2,049.44 km) |
| Alcacer do Sal to Ilsede | 1,313.96 mi (2,114.61 km) |
| Alcacer do Sal to Ilsenburg | 1,313.31 mi (2,113.57 km) |
| Alcacer do Sal to Ilsfeld | 1,148.81 mi (1,848.83 km) |
| Alcacer do Sal to Ilvesheim | 1,140.02 mi (1,834.69 km) |
| Alcacer do Sal to Immenstadt im Allgau | 1,135.60 mi (1,827.57 km) |
| Alcacer do Sal to Ingelheim | 1,142.70 mi (1,838.99 km) |
| Alcacer do Sal to Ingolstadt | 1,223.44 mi (1,968.93 km) |
| Alcacer do Sal to Iserlohn | 1,192.84 mi (1,919.69 km) |
| Alcacer do Sal to Isernhagen-Sud | 1,310.87 mi (2,109.63 km) |
| Alcacer do Sal to Ismaning | 1,216.35 mi (1,957.53 km) |
