| Oliveira de Frades to Idar-Oberstein | 973.99 mi (1,567.49 km) |
| Oliveira de Frades to Idstein | 1,029.03 mi (1,656.07 km) |
| Oliveira de Frades to Illertissen | 1,035.33 mi (1,666.21 km) |
| Oliveira de Frades to Illingen | 951.48 mi (1,531.26 km) |
| Oliveira de Frades to Ilmenau | 1,145.01 mi (1,842.72 km) |
| Oliveira de Frades to Ilsede | 1,177.06 mi (1,894.30 km) |
| Oliveira de Frades to Ilsenburg | 1,178.99 mi (1,897.40 km) |
| Oliveira de Frades to Ilsfeld | 1,025.67 mi (1,650.65 km) |
| Oliveira de Frades to Ilvesheim | 1,012.87 mi (1,630.06 km) |
| Oliveira de Frades to Immenstadt im Allgau | 1,024.24 mi (1,648.35 km) |
| Oliveira de Frades to Ingelheim | 1,011.66 mi (1,628.10 km) |
| Oliveira de Frades to Ingolstadt | 1,106.64 mi (1,780.97 km) |
| Oliveira de Frades to Iserlohn | 1,054.45 mi (1,696.97 km) |
| Oliveira de Frades to Isernhagen-Sud | 1,172.71 mi (1,887.30 km) |
| Oliveira de Frades to Ismaning | 1,103.44 mi (1,775.81 km) |
