| Solothurn to Idar-Oberstein | 172.66 mi (277.87 km) |
| Solothurn to Idstein | 210.28 mi (338.41 km) |
| Solothurn to Illertissen | 137.19 mi (220.79 km) |
| Solothurn to Illingen | 150.85 mi (242.77 km) |
| Solothurn to Ilmenau | 284.53 mi (457.90 km) |
| Solothurn to Ilsede | 368.37 mi (592.84 km) |
| Solothurn to Ilsenburg | 350.87 mi (564.67 km) |
| Solothurn to Ilsfeld | 149.36 mi (240.37 km) |
| Solothurn to Ilvesheim | 162.93 mi (262.21 km) |
| Solothurn to Immenstadt im Allgau | 127.82 mi (205.70 km) |
| Solothurn to Ingelheim | 192.05 mi (309.08 km) |
| Solothurn to Ingolstadt | 209.25 mi (336.75 km) |
| Solothurn to Iserlohn | 287.95 mi (463.41 km) |
| Solothurn to Isernhagen-Sud | 375.03 mi (603.55 km) |
| Solothurn to Ismaning | 204.62 mi (329.31 km) |
