| Neu Isenburg to Grevena | 924.71 mi (1,488.18 km) |
| Neu Isenburg to Ialysos | 1,350.94 mi (2,174.13 km) |
| Neu Isenburg to Ilion | 1,111.34 mi (1,788.53 km) |
| Neu Isenburg to Ilioupoli | 1,118.51 mi (1,800.06 km) |
| Neu Isenburg to Ioannina | 929.91 mi (1,496.54 km) |
| Neu Isenburg to Irakleio | 1,309.05 mi (2,106.70 km) |
| Neu Isenburg to Irakleio | 1,112.60 mi (1,790.56 km) |
| Neu Isenburg to Kaisariani | 1,116.84 mi (1,797.38 km) |
| Neu Isenburg to Kalamaria | 949.46 mi (1,528.01 km) |
| Neu Isenburg to Kalamata | 1,118.58 mi (1,800.19 km) |
| Neu Isenburg to Kallithea | 1,115.95 mi (1,795.95 km) |
| Neu Isenburg to Kalymnos | 1,279.31 mi (2,058.84 km) |
| Neu Isenburg to Kalyvia Thorikou | 1,129.48 mi (1,817.73 km) |
| Neu Isenburg to Kamatero | 1,110.28 mi (1,786.82 km) |
| Neu Isenburg to Karditsa | 979.96 mi (1,577.09 km) |
