| Keystone to Glyka Nera | 5,847.96 mi (9,411.39 km) |
| Keystone to Grevena | 5,662.09 mi (9,112.25 km) |
| Keystone to Ialysos | 6,105.64 mi (9,826.08 km) |
| Keystone to Ilion | 5,839.59 mi (9,397.91 km) |
| Keystone to Ilioupoli | 5,845.54 mi (9,407.49 km) |
| Keystone to Ioannina | 5,650.28 mi (9,093.25 km) |
| Keystone to Irakleio | 6,006.09 mi (9,665.87 km) |
| Keystone to Irakleio | 5,842.06 mi (9,401.89 km) |
| Keystone to Kaisariani | 5,844.65 mi (9,406.06 km) |
| Keystone to Kalamaria | 5,713.53 mi (9,195.04 km) |
| Keystone to Kalamata | 5,801.01 mi (9,335.83 km) |
| Keystone to Kallithea | 5,842.62 mi (9,402.78 km) |
| Keystone to Kalymnos | 6,030.00 mi (9,704.34 km) |
| Keystone to Kalyvia Thorikou | 5,856.91 mi (9,425.78 km) |
| Keystone to Kamatero | 5,839.18 mi (9,397.25 km) |
