| Grado to Glyka Nera | 1,602.04 mi (2,578.24 km) |
| Grado to Grevena | 1,429.48 mi (2,300.52 km) |
| Grado to Ialysos | 1,862.54 mi (2,997.48 km) |
| Grado to Ilion | 1,593.49 mi (2,564.47 km) |
| Grado to Ilioupoli | 1,598.69 mi (2,572.85 km) |
| Grado to Ioannina | 1,409.96 mi (2,269.11 km) |
| Grado to Irakleio | 1,745.42 mi (2,808.98 km) |
| Grado to Irakleio | 1,596.38 mi (2,569.13 km) |
| Grado to Kaisariani | 1,598.16 mi (2,571.99 km) |
| Grado to Kalamaria | 1,495.46 mi (2,406.72 km) |
| Grado to Kalamata | 1,542.11 mi (2,481.79 km) |
| Grado to Kallithea | 1,595.74 mi (2,568.09 km) |
| Grado to Kalymnos | 1,787.29 mi (2,876.37 km) |
| Grado to Kalyvia Thorikou | 1,609.77 mi (2,590.68 km) |
| Grado to Kamatero | 1,593.38 mi (2,564.30 km) |
