| Onalaska to Idar-Oberstein | 4,327.19 mi (6,963.93 km) |
| Onalaska to Idstein | 4,340.32 mi (6,985.08 km) |
| Onalaska to Illertissen | 4,489.75 mi (7,225.55 km) |
| Onalaska to Illingen | 4,331.61 mi (6,971.06 km) |
| Onalaska to Ilmenau | 4,412.95 mi (7,101.96 km) |
| Onalaska to Ilsede | 4,320.94 mi (6,953.88 km) |
| Onalaska to Ilsenburg | 4,354.60 mi (7,008.06 km) |
| Onalaska to Ilsfeld | 4,424.18 mi (7,120.03 km) |
| Onalaska to Ilvesheim | 4,381.98 mi (7,052.11 km) |
| Onalaska to Immenstadt im Allgau | 4,522.76 mi (7,278.68 km) |
| Onalaska to Ingelheim | 4,342.82 mi (6,989.10 km) |
| Onalaska to Ingolstadt | 4,513.71 mi (7,264.12 km) |
| Onalaska to Iserlohn | 4,271.18 mi (6,873.81 km) |
| Onalaska to Isernhagen-Sud | 4,302.98 mi (6,924.98 km) |
| Onalaska to Ismaning | 4,546.03 mi (7,316.13 km) |
