| Smolyan to Idstein | 986.27 mi (1,587.24 km) |
| Smolyan to Illertissen | 847.43 mi (1,363.81 km) |
| Smolyan to Illingen | 1,006.62 mi (1,620.00 km) |
| Smolyan to Ilmenau | 908.71 mi (1,462.43 km) |
| Smolyan to Ilsede | 1,003.36 mi (1,614.75 km) |
| Smolyan to Ilsenburg | 969.13 mi (1,559.66 km) |
| Smolyan to Ilsfeld | 908.10 mi (1,461.45 km) |
| Smolyan to Ilvesheim | 949.15 mi (1,527.50 km) |
| Smolyan to Immenstadt im Allgau | 822.13 mi (1,323.09 km) |
| Smolyan to Ingelheim | 986.03 mi (1,586.87 km) |
| Smolyan to Ingolstadt | 813.04 mi (1,308.46 km) |
| Smolyan to Iserlohn | 1,051.52 mi (1,692.25 km) |
| Smolyan to Isernhagen-Sud | 1,021.33 mi (1,643.68 km) |
| Smolyan to Ismaning | 783.86 mi (1,261.50 km) |
| Smolyan to Isny im Allgau | 833.26 mi (1,341.01 km) |
