| Donaueschingen to Kayapinar | 1,729.91 mi (2,784.03 km) |
| Donaueschingen to Kayseri | 1,488.23 mi (2,395.08 km) |
| Donaueschingen to Kemalpasa | 1,152.96 mi (1,855.52 km) |
| Donaueschingen to Kemer | 1,365.29 mi (2,197.22 km) |
| Donaueschingen to Keskin | 1,368.32 mi (2,202.09 km) |
| Donaueschingen to Kilimli | 1,223.63 mi (1,969.25 km) |
| Donaueschingen to Kilis | 1,641.42 mi (2,641.62 km) |
| Donaueschingen to Kinik | 1,121.72 mi (1,805.24 km) |
| Donaueschingen to Kirikkale | 1,357.55 mi (2,184.77 km) |
| Donaueschingen to Kirkagac | 1,133.51 mi (1,824.20 km) |
| Donaueschingen to Kirklareli | 1,009.36 mi (1,624.40 km) |
| Donaueschingen to Kirsehir | 1,412.78 mi (2,273.64 km) |
| Donaueschingen to Kizilpinar | 1,059.02 mi (1,704.34 km) |
| Donaueschingen to Kiziltepe | 1,776.92 mi (2,859.67 km) |
| Donaueschingen to Kocaali | 1,194.37 mi (1,922.16 km) |
