| Herstal to Kocaeli | 1,347.60 mi (2,168.75 km) |
| Herstal to Konak | 1,346.63 mi (2,167.19 km) |
| Herstal to Konakli | 1,619.77 mi (2,606.77 km) |
| Herstal to Konya | 1,582.03 mi (2,546.04 km) |
| Herstal to Koprukoy | 1,885.62 mi (3,034.61 km) |
| Herstal to Korfez | 1,339.18 mi (2,155.20 km) |
| Herstal to Korkut | 1,932.25 mi (3,109.66 km) |
| Herstal to Kose | 1,780.46 mi (2,865.38 km) |
| Herstal to Kovancilar | 1,850.95 mi (2,978.81 km) |
| Herstal to Koyulhisar | 1,698.51 mi (2,733.49 km) |
| Herstal to Kozan | 1,736.15 mi (2,794.07 km) |
| Herstal to Kozlu | 1,395.32 mi (2,245.55 km) |
| Herstal to Kozluk | 1,942.67 mi (3,126.43 km) |
| Herstal to Kucuk Dalyan | 1,808.47 mi (2,910.45 km) |
| Herstal to Kucukcekmece | 1,291.82 mi (2,078.98 km) |
