| Grunberg to Grevena | 943.43 mi (1,518.30 km) |
| Grunberg to Ialysos | 1,365.42 mi (2,197.43 km) |
| Grunberg to Ilion | 1,129.56 mi (1,817.85 km) |
| Grunberg to Ilioupoli | 1,136.78 mi (1,829.48 km) |
| Grunberg to Ioannina | 950.17 mi (1,529.16 km) |
| Grunberg to Irakleio | 1,328.43 mi (2,137.90 km) |
| Grunberg to Irakleio | 1,130.71 mi (1,819.69 km) |
| Grunberg to Kaisariani | 1,135.06 mi (1,826.70 km) |
| Grunberg to Kalamaria | 964.97 mi (1,552.98 km) |
| Grunberg to Kalamata | 1,140.21 mi (1,834.99 km) |
| Grunberg to Kallithea | 1,134.28 mi (1,825.45 km) |
| Grunberg to Kalymnos | 1,294.51 mi (2,083.31 km) |
| Grunberg to Kalyvia Thorikou | 1,147.66 mi (1,846.97 km) |
| Grunberg to Kamatero | 1,128.44 mi (1,816.06 km) |
| Grunberg to Karditsa | 998.98 mi (1,607.70 km) |
