| Horten to Glyka Nera | 1,594.96 mi (2,566.84 km) |
| Horten to Grevena | 1,418.92 mi (2,283.53 km) |
| Horten to Ialysos | 1,775.85 mi (2,857.96 km) |
| Horten to Ilion | 1,589.79 mi (2,558.53 km) |
| Horten to Ilioupoli | 1,597.20 mi (2,570.45 km) |
| Horten to Ioannina | 1,438.81 mi (2,315.54 km) |
| Horten to Irakleio | 1,791.07 mi (2,882.44 km) |
| Horten to Irakleio | 1,589.78 mi (2,558.50 km) |
| Horten to Kaisariani | 1,595.03 mi (2,566.95 km) |
| Horten to Kalamaria | 1,409.81 mi (2,268.87 km) |
| Horten to Kalamata | 1,631.69 mi (2,625.95 km) |
| Horten to Kallithea | 1,595.29 mi (2,567.37 km) |
| Horten to Kalymnos | 1,716.11 mi (2,761.81 km) |
| Horten to Kalyvia Thorikou | 1,606.52 mi (2,585.44 km) |
| Horten to Kamatero | 1,588.25 mi (2,556.04 km) |
