| Heerlen to Kayapinar | 1,887.08 mi (3,036.96 km) |
| Heerlen to Kayseri | 1,656.45 mi (2,665.80 km) |
| Heerlen to Kemalpasa | 1,351.54 mi (2,175.09 km) |
| Heerlen to Kemer | 1,561.22 mi (2,512.54 km) |
| Heerlen to Keskin | 1,537.32 mi (2,474.07 km) |
| Heerlen to Kilimli | 1,386.64 mi (2,231.59 km) |
| Heerlen to Kilis | 1,814.84 mi (2,920.70 km) |
| Heerlen to Kinik | 1,317.04 mi (2,119.57 km) |
| Heerlen to Kirikkale | 1,525.84 mi (2,455.61 km) |
| Heerlen to Kirkagac | 1,327.66 mi (2,136.66 km) |
| Heerlen to Kirklareli | 1,188.22 mi (1,912.25 km) |
| Heerlen to Kirsehir | 1,583.08 mi (2,547.72 km) |
| Heerlen to Kizilpinar | 1,238.39 mi (1,993.00 km) |
| Heerlen to Kiziltepe | 1,936.77 mi (3,116.92 km) |
| Heerlen to Kocaali | 1,364.15 mi (2,195.38 km) |
