| Denver to Glyka Nera | 6,160.12 mi (9,913.75 km) |
| Denver to Grevena | 5,966.27 mi (9,601.79 km) |
| Denver to Ialysos | 6,386.23 mi (10,277.65 km) |
| Denver to Ilion | 6,152.97 mi (9,902.25 km) |
| Denver to Ilioupoli | 6,160.13 mi (9,913.77 km) |
| Denver to Ioannina | 5,970.04 mi (9,607.85 km) |
| Denver to Irakleio | 6,349.80 mi (10,219.01 km) |
| Denver to Irakleio | 6,154.23 mi (9,904.27 km) |
| Denver to Kaisariani | 6,158.47 mi (9,911.10 km) |
| Denver to Kalamaria | 5,988.39 mi (9,637.38 km) |
| Denver to Kalamata | 6,154.70 mi (9,905.04 km) |
| Denver to Kallithea | 6,157.57 mi (9,909.65 km) |
| Denver to Kalymnos | 6,316.99 mi (10,166.22 km) |
| Denver to Kalyvia Thorikou | 6,171.11 mi (9,931.44 km) |
| Denver to Kamatero | 6,151.90 mi (9,900.53 km) |
