| Viljandi to Idstein | 892.68 mi (1,436.63 km) |
| Viljandi to Illertissen | 945.52 mi (1,521.67 km) |
| Viljandi to Illingen | 972.49 mi (1,565.07 km) |
| Viljandi to Ilmenau | 789.59 mi (1,270.73 km) |
| Viljandi to Ilsede | 735.54 mi (1,183.74 km) |
| Viljandi to Ilsenburg | 738.33 mi (1,188.23 km) |
| Viljandi to Ilsfeld | 923.60 mi (1,486.39 km) |
| Viljandi to Ilvesheim | 921.55 mi (1,483.09 km) |
| Viljandi to Immenstadt im Allgau | 978.49 mi (1,574.72 km) |
| Viljandi to Ingelheim | 911.60 mi (1,467.08 km) |
| Viljandi to Ingolstadt | 878.84 mi (1,414.36 km) |
| Viljandi to Iserlohn | 856.65 mi (1,378.64 km) |
| Viljandi to Isernhagen-Sud | 738.51 mi (1,188.51 km) |
| Viljandi to Ismaning | 902.82 mi (1,452.95 km) |
| Viljandi to Isny im Allgau | 976.12 mi (1,570.92 km) |
