| Gouveia to Idar-Oberstein | 963.26 mi (1,550.22 km) |
| Gouveia to Idstein | 1,018.46 mi (1,639.06 km) |
| Gouveia to Illertissen | 1,019.78 mi (1,641.17 km) |
| Gouveia to Illingen | 940.32 mi (1,513.31 km) |
| Gouveia to Ilmenau | 1,133.38 mi (1,824.00 km) |
| Gouveia to Ilsede | 1,168.54 mi (1,880.58 km) |
| Gouveia to Ilsenburg | 1,169.47 mi (1,882.08 km) |
| Gouveia to Ilsfeld | 1,012.20 mi (1,628.98 km) |
| Gouveia to Ilvesheim | 1,000.68 mi (1,610.44 km) |
| Gouveia to Immenstadt im Allgau | 1,007.38 mi (1,621.23 km) |
| Gouveia to Ingelheim | 1,000.81 mi (1,610.64 km) |
| Gouveia to Ingolstadt | 1,091.37 mi (1,756.39 km) |
| Gouveia to Iserlohn | 1,046.44 mi (1,684.08 km) |
| Gouveia to Isernhagen-Sud | 1,164.69 mi (1,874.38 km) |
| Gouveia to Ismaning | 1,087.09 mi (1,749.50 km) |
