| Horndean to Glyka Nera | 1,504.06 mi (2,420.55 km) |
| Horndean to Grevena | 1,310.32 mi (2,108.76 km) |
| Horndean to Ialysos | 1,749.58 mi (2,815.68 km) |
| Horndean to Ilion | 1,496.28 mi (2,408.03 km) |
| Horndean to Ilioupoli | 1,503.07 mi (2,418.96 km) |
| Horndean to Ioannina | 1,307.84 mi (2,104.77 km) |
| Horndean to Irakleio | 1,685.51 mi (2,712.57 km) |
| Horndean to Irakleio | 1,498.07 mi (2,410.91 km) |
| Horndean to Kaisariani | 1,501.69 mi (2,416.74 km) |
| Horndean to Kalamaria | 1,348.10 mi (2,169.55 km) |
| Horndean to Kalamata | 1,485.26 mi (2,390.29 km) |
| Horndean to Kallithea | 1,500.32 mi (2,414.53 km) |
| Horndean to Kalymnos | 1,675.65 mi (2,696.70 km) |
| Horndean to Kalyvia Thorikou | 1,514.39 mi (2,437.18 km) |
| Horndean to Kamatero | 1,495.47 mi (2,406.73 km) |
