| Herstal to Grevena | 1,055.20 mi (1,698.19 km) |
| Herstal to Ialysos | 1,486.25 mi (2,391.90 km) |
| Herstal to Ilion | 1,242.16 mi (1,999.06 km) |
| Herstal to Ilioupoli | 1,249.22 mi (2,010.43 km) |
| Herstal to Ioannina | 1,057.91 mi (1,702.54 km) |
| Herstal to Irakleio | 1,437.69 mi (2,313.74 km) |
| Herstal to Irakleio | 1,243.59 mi (2,001.36 km) |
| Herstal to Kaisariani | 1,247.64 mi (2,007.89 km) |
| Herstal to Kalamaria | 1,084.13 mi (1,744.73 km) |
| Herstal to Kalamata | 1,243.60 mi (2,001.38 km) |
| Herstal to Kallithea | 1,246.60 mi (2,006.21 km) |
| Herstal to Kalymnos | 1,413.87 mi (2,275.41 km) |
| Herstal to Kalyvia Thorikou | 1,260.33 mi (2,028.31 km) |
| Herstal to Kamatero | 1,241.17 mi (1,997.47 km) |
| Herstal to Karditsa | 1,109.84 mi (1,786.11 km) |
