| Willebroek to Kayapinar | 1,958.36 mi (3,151.68 km) |
| Willebroek to Kayseri | 1,727.22 mi (2,779.70 km) |
| Willebroek to Kemalpasa | 1,418.73 mi (2,283.22 km) |
| Willebroek to Kemer | 1,629.00 mi (2,621.63 km) |
| Willebroek to Keskin | 1,608.00 mi (2,587.83 km) |
| Willebroek to Kilimli | 1,457.60 mi (2,345.77 km) |
| Willebroek to Kilis | 1,885.32 mi (3,034.12 km) |
| Willebroek to Kinik | 1,384.77 mi (2,228.57 km) |
| Willebroek to Kirikkale | 1,596.57 mi (2,569.42 km) |
| Willebroek to Kirkagac | 1,395.59 mi (2,245.98 km) |
| Willebroek to Kirklareli | 1,257.94 mi (2,024.46 km) |
| Willebroek to Kirsehir | 1,653.70 mi (2,661.37 km) |
| Willebroek to Kizilpinar | 1,308.10 mi (2,105.19 km) |
| Willebroek to Kiziltepe | 2,007.98 mi (3,231.53 km) |
| Willebroek to Kocaali | 1,434.71 mi (2,308.94 km) |
