| Guymon to Idar-Oberstein | 5,058.83 mi (8,141.40 km) |
| Guymon to Idstein | 5,071.02 mi (8,161.02 km) |
| Guymon to Illertissen | 5,221.45 mi (8,403.11 km) |
| Guymon to Illingen | 5,063.65 mi (8,149.16 km) |
| Guymon to Ilmenau | 5,141.56 mi (8,274.54 km) |
| Guymon to Ilsede | 5,047.84 mi (8,123.71 km) |
| Guymon to Ilsenburg | 5,081.74 mi (8,178.27 km) |
| Guymon to Ilsfeld | 5,155.54 mi (8,297.04 km) |
| Guymon to Ilvesheim | 5,113.27 mi (8,229.02 km) |
| Guymon to Immenstadt im Allgau | 5,254.91 mi (8,456.97 km) |
| Guymon to Ingelheim | 5,073.88 mi (8,165.62 km) |
| Guymon to Ingolstadt | 5,244.23 mi (8,439.77 km) |
| Guymon to Iserlohn | 5,000.91 mi (8,048.18 km) |
| Guymon to Isernhagen-Sud | 5,029.86 mi (8,094.78 km) |
| Guymon to Ismaning | 5,276.93 mi (8,492.41 km) |