| Donaueschingen to Koscielisko | 527.32 mi (848.64 km) |
| Donaueschingen to Koscierzyna | 591.50 mi (951.93 km) |
| Donaueschingen to Kostrzyn | 492.40 mi (792.43 km) |
| Donaueschingen to Kostrzyn nad Odra | 419.99 mi (675.91 km) |
| Donaueschingen to Koszalin | 544.73 mi (876.65 km) |
| Donaueschingen to Kowary | 383.43 mi (617.07 km) |
| Donaueschingen to Kozienice | 633.49 mi (1,019.51 km) |
| Donaueschingen to Kozuchow | 410.50 mi (660.63 km) |
| Donaueschingen to Kozy | 500.74 mi (805.87 km) |
| Donaueschingen to Krakow | 537.69 mi (865.32 km) |
| Donaueschingen to Krapkowice | 460.70 mi (741.42 km) |
| Donaueschingen to Krasnik | 648.17 mi (1,043.12 km) |
| Donaueschingen to Krasnystaw | 690.24 mi (1,110.83 km) |
| Donaueschingen to Krosno | 613.54 mi (987.39 km) |
| Donaueschingen to Krosno Odrzanskie | 406.31 mi (653.89 km) |
