| Herzogenrath to Grevena | 1,047.87 mi (1,686.39 km) |
| Herzogenrath to Ialysos | 1,476.84 mi (2,376.74 km) |
| Herzogenrath to Ilion | 1,234.76 mi (1,987.15 km) |
| Herzogenrath to Ilioupoli | 1,241.86 mi (1,998.58 km) |
| Herzogenrath to Ioannina | 1,051.53 mi (1,692.28 km) |
| Herzogenrath to Irakleio | 1,431.20 mi (2,303.29 km) |
| Herzogenrath to Irakleio | 1,236.11 mi (1,989.33 km) |
| Herzogenrath to Kaisariani | 1,240.25 mi (1,995.98 km) |
| Herzogenrath to Kalamaria | 1,074.97 mi (1,730.00 km) |
| Herzogenrath to Kalamata | 1,238.36 mi (1,992.95 km) |
| Herzogenrath to Kallithea | 1,239.27 mi (1,994.41 km) |
| Herzogenrath to Kalymnos | 1,404.83 mi (2,260.85 km) |
| Herzogenrath to Kalyvia Thorikou | 1,252.92 mi (2,016.38 km) |
| Herzogenrath to Kamatero | 1,233.73 mi (1,985.50 km) |
| Herzogenrath to Karditsa | 1,102.77 mi (1,774.73 km) |
