| Herstal to Isparta | 1,510.44 mi (2,430.83 km) |
| Herstal to Istanbul | 1,297.52 mi (2,088.16 km) |
| Herstal to Izmir | 1,347.00 mi (2,167.79 km) |
| Herstal to Kadinhani | 1,553.73 mi (2,500.49 km) |
| Herstal to Kadirli | 1,752.17 mi (2,819.85 km) |
| Herstal to Kagithane | 1,295.47 mi (2,084.85 km) |
| Herstal to Kahramanmaras | 1,776.97 mi (2,859.76 km) |
| Herstal to Kahta | 1,838.80 mi (2,959.27 km) |
| Herstal to Kaman | 1,565.18 mi (2,518.91 km) |
| Herstal to Kangal | 1,723.87 mi (2,774.29 km) |
| Herstal to Kapakli | 1,243.62 mi (2,001.42 km) |
| Herstal to Karaagac | 1,790.66 mi (2,881.79 km) |
| Herstal to Karaagac | 1,244.39 mi (2,002.65 km) |
| Herstal to Karabuk | 1,441.62 mi (2,320.07 km) |
| Herstal to Karahalli | 1,443.26 mi (2,322.69 km) |
