| Guymon to Glyka Nera | 6,209.02 mi (9,992.45 km) |
| Guymon to Grevena | 6,014.62 mi (9,679.60 km) |
| Guymon to Ialysos | 6,443.60 mi (10,369.98 km) |
| Guymon to Ilion | 6,201.56 mi (9,980.44 km) |
| Guymon to Ilioupoli | 6,208.56 mi (9,991.72 km) |
| Guymon to Ioannina | 6,015.44 mi (9,680.91 km) |
| Guymon to Irakleio | 6,394.63 mi (10,291.16 km) |
| Guymon to Irakleio | 6,203.07 mi (9,982.87 km) |
| Guymon to Kaisariani | 6,207.03 mi (9,989.25 km) |
| Guymon to Kalamaria | 6,042.58 mi (9,724.60 km) |
| Guymon to Kalamata | 6,195.52 mi (9,970.72 km) |
| Guymon to Kallithea | 6,205.91 mi (9,987.44 km) |
| Guymon to Kalymnos | 6,372.40 mi (10,255.38 km) |
| Guymon to Kalyvia Thorikou | 6,219.74 mi (10,009.70 km) |
| Guymon to Kamatero | 6,200.61 mi (9,978.92 km) |
