| Grays to Glyka Nera | 1,472.00 mi (2,368.96 km) |
| Grays to Grevena | 1,277.74 mi (2,056.32 km) |
| Grays to Ialysos | 1,713.97 mi (2,758.36 km) |
| Grays to Ilion | 1,464.38 mi (2,356.70 km) |
| Grays to Ilioupoli | 1,471.29 mi (2,367.82 km) |
| Grays to Ioannina | 1,277.31 mi (2,055.63 km) |
| Grays to Irakleio | 1,656.36 mi (2,665.66 km) |
| Grays to Irakleio | 1,466.02 mi (2,359.34 km) |
| Grays to Kaisariani | 1,469.83 mi (2,365.47 km) |
| Grays to Kalamaria | 1,311.80 mi (2,111.14 km) |
| Grays to Kalamata | 1,458.17 mi (2,346.69 km) |
| Grays to Kallithea | 1,468.59 mi (2,363.47 km) |
| Grays to Kalymnos | 1,640.68 mi (2,640.42 km) |
| Grays to Kalyvia Thorikou | 1,482.54 mi (2,385.92 km) |
| Grays to Kamatero | 1,463.50 mi (2,355.27 km) |
