| Barcelos to Idar-Oberstein | 952.46 mi (1,532.83 km) |
| Barcelos to Idstein | 1,007.09 mi (1,620.75 km) |
| Barcelos to Illertissen | 1,022.43 mi (1,645.44 km) |
| Barcelos to Illingen | 930.74 mi (1,497.89 km) |
| Barcelos to Ilmenau | 1,124.66 mi (1,809.96 km) |
| Barcelos to Ilsede | 1,151.36 mi (1,852.94 km) |
| Barcelos to Ilsenburg | 1,154.93 mi (1,858.68 km) |
| Barcelos to Ilsfeld | 1,008.88 mi (1,623.63 km) |
| Barcelos to Ilvesheim | 993.80 mi (1,599.36 km) |
| Barcelos to Immenstadt im Allgau | 1,013.89 mi (1,631.70 km) |
| Barcelos to Ingelheim | 990.23 mi (1,593.63 km) |
| Barcelos to Ingolstadt | 1,093.04 mi (1,759.07 km) |
| Barcelos to Iserlohn | 1,028.14 mi (1,654.62 km) |
| Barcelos to Isernhagen-Sud | 1,146.20 mi (1,844.63 km) |
| Barcelos to Ismaning | 1,091.92 mi (1,757.27 km) |
