| Gross-Umstadt to Grevena | 908.48 mi (1,462.06 km) |
| Gross-Umstadt to Ialysos | 1,335.05 mi (2,148.55 km) |
| Gross-Umstadt to Ilion | 1,095.13 mi (1,762.45 km) |
| Gross-Umstadt to Ilioupoli | 1,102.29 mi (1,773.97 km) |
| Gross-Umstadt to Ioannina | 913.60 mi (1,470.29 km) |
| Gross-Umstadt to Irakleio | 1,292.76 mi (2,080.50 km) |
| Gross-Umstadt to Irakleio | 1,096.40 mi (1,764.48 km) |
| Gross-Umstadt to Kaisariani | 1,100.63 mi (1,771.29 km) |
| Gross-Umstadt to Kalamaria | 933.49 mi (1,502.30 km) |
| Gross-Umstadt to Kalamata | 1,102.23 mi (1,773.86 km) |
| Gross-Umstadt to Kallithea | 1,099.74 mi (1,769.86 km) |
| Gross-Umstadt to Kalymnos | 1,263.34 mi (2,033.15 km) |
| Gross-Umstadt to Kalyvia Thorikou | 1,113.28 mi (1,791.64 km) |
| Gross-Umstadt to Kamatero | 1,094.07 mi (1,760.74 km) |
| Gross-Umstadt to Karditsa | 963.70 mi (1,550.93 km) |
