| Greenbelt to Glyka Nera | 5,122.82 mi (8,244.39 km) |
| Greenbelt to Grevena | 4,932.29 mi (7,937.76 km) |
| Greenbelt to Ialysos | 5,375.63 mi (8,651.24 km) |
| Greenbelt to Ilion | 5,114.66 mi (8,231.26 km) |
| Greenbelt to Ilioupoli | 5,121.02 mi (8,241.49 km) |
| Greenbelt to Ioannina | 4,924.50 mi (7,925.21 km) |
| Greenbelt to Irakleio | 5,291.84 mi (8,516.40 km) |
| Greenbelt to Irakleio | 5,116.85 mi (8,234.77 km) |
| Greenbelt to Kaisariani | 5,119.91 mi (8,239.71 km) |
| Greenbelt to Kalamaria | 4,976.84 mi (8,009.45 km) |
| Greenbelt to Kalamata | 5,086.75 mi (8,186.34 km) |
| Greenbelt to Kallithea | 5,118.16 mi (8,236.88 km) |
| Greenbelt to Kalymnos | 5,300.64 mi (8,530.56 km) |
| Greenbelt to Kalyvia Thorikou | 5,132.44 mi (8,259.87 km) |
| Greenbelt to Kamatero | 5,114.08 mi (8,230.31 km) |
