| Herdecke to Grevena | 1,029.18 mi (1,656.30 km) |
| Herdecke to Ialysos | 1,451.41 mi (2,335.83 km) |
| Herdecke to Ilion | 1,215.41 mi (1,956.02 km) |
| Herdecke to Ilioupoli | 1,222.63 mi (1,967.63 km) |
| Herdecke to Ioannina | 1,035.54 mi (1,666.53 km) |
| Herdecke to Irakleio | 1,414.07 mi (2,275.72 km) |
| Herdecke to Irakleio | 1,216.57 mi (1,957.89 km) |
| Herdecke to Kaisariani | 1,220.91 mi (1,964.87 km) |
| Herdecke to Kalamaria | 1,051.02 mi (1,691.45 km) |
| Herdecke to Kalamata | 1,225.12 mi (1,971.63 km) |
| Herdecke to Kallithea | 1,220.11 mi (1,963.58 km) |
| Herdecke to Kalymnos | 1,380.55 mi (2,221.77 km) |
| Herdecke to Kalyvia Thorikou | 1,233.51 mi (1,985.15 km) |
| Herdecke to Kamatero | 1,214.30 mi (1,954.23 km) |
| Herdecke to Karditsa | 1,084.67 mi (1,745.60 km) |
