| Viseu to Idar-Oberstein | 966.58 mi (1,555.56 km) |
| Viseu to Idstein | 1,021.69 mi (1,644.25 km) |
| Viseu to Illertissen | 1,026.13 mi (1,651.39 km) |
| Viseu to Illingen | 943.90 mi (1,519.06 km) |
| Viseu to Ilmenau | 1,137.27 mi (1,830.27 km) |
| Viseu to Ilsede | 1,170.52 mi (1,883.77 km) |
| Viseu to Ilsenburg | 1,172.06 mi (1,886.25 km) |
| Viseu to Ilsfeld | 1,017.23 mi (1,637.07 km) |
| Viseu to Ilvesheim | 1,004.91 mi (1,617.24 km) |
| Viseu to Immenstadt im Allgau | 1,014.56 mi (1,632.78 km) |
| Viseu to Ingelheim | 1,004.20 mi (1,616.11 km) |
| Viseu to Ingolstadt | 1,097.55 mi (1,766.33 km) |
| Viseu to Iserlohn | 1,048.09 mi (1,686.74 km) |
| Viseu to Isernhagen-Sud | 1,166.36 mi (1,877.08 km) |
| Viseu to Ismaning | 1,093.95 mi (1,760.55 km) |
