| Santiago do Cacem to Idar-Oberstein | 1,130.88 mi (1,819.97 km) |
| Santiago do Cacem to Idstein | 1,186.21 mi (1,909.03 km) |
| Santiago do Cacem to Illertissen | 1,175.48 mi (1,891.75 km) |
| Santiago do Cacem to Illingen | 1,107.16 mi (1,781.80 km) |
| Santiago do Cacem to Ilmenau | 1,298.57 mi (2,089.85 km) |
| Santiago do Cacem to Ilsede | 1,339.70 mi (2,156.05 km) |
| Santiago do Cacem to Ilsenburg | 1,338.87 mi (2,154.70 km) |
| Santiago do Cacem to Ilsfeld | 1,173.52 mi (1,888.60 km) |
| Santiago do Cacem to Ilvesheim | 1,165.07 mi (1,875.00 km) |
| Santiago do Cacem to Immenstadt im Allgau | 1,159.23 mi (1,865.61 km) |
| Santiago do Cacem to Ingelheim | 1,168.05 mi (1,879.80 km) |
| Santiago do Cacem to Ingolstadt | 1,247.54 mi (2,007.72 km) |
| Santiago do Cacem to Iserlohn | 1,218.71 mi (1,961.33 km) |
| Santiago do Cacem to Isernhagen-Sud | 1,336.70 mi (2,151.21 km) |
| Santiago do Cacem to Ismaning | 1,240.09 mi (1,995.74 km) |
