| Horstel to Grevena | 1,068.67 mi (1,719.86 km) |
| Horstel to Ialysos | 1,484.88 mi (2,389.68 km) |
| Horstel to Ilion | 1,254.02 mi (2,018.15 km) |
| Horstel to Ilioupoli | 1,261.30 mi (2,029.87 km) |
| Horstel to Ioannina | 1,076.93 mi (1,733.15 km) |
| Horstel to Irakleio | 1,453.96 mi (2,339.92 km) |
| Horstel to Irakleio | 1,255.04 mi (2,019.78 km) |
| Horstel to Kaisariani | 1,259.52 mi (2,027.00 km) |
| Horstel to Kalamaria | 1,086.47 mi (1,748.51 km) |
| Horstel to Kalamata | 1,267.99 mi (2,040.63 km) |
| Horstel to Kallithea | 1,258.85 mi (2,025.92 km) |
| Horstel to Kalymnos | 1,415.05 mi (2,277.30 km) |
| Horstel to Kalyvia Thorikou | 1,272.04 mi (2,047.15 km) |
| Horstel to Kamatero | 1,252.85 mi (2,016.26 km) |
| Horstel to Karditsa | 1,124.46 mi (1,809.64 km) |
