| Donaueschingen to Kalisz | 500.49 mi (805.46 km) |
| Donaueschingen to Kamien Pomorski | 496.83 mi (799.56 km) |
| Donaueschingen to Kamienna Gora | 390.91 mi (629.11 km) |
| Donaueschingen to Karczew | 632.59 mi (1,018.05 km) |
| Donaueschingen to Kartuzy | 608.05 mi (978.56 km) |
| Donaueschingen to Katowice | 501.15 mi (806.52 km) |
| Donaueschingen to Kedzierzyn-Kozle | 468.03 mi (753.21 km) |
| Donaueschingen to Kepno | 482.21 mi (776.04 km) |
| Donaueschingen to Ketrzyn | 700.24 mi (1,126.93 km) |
| Donaueschingen to Kety | 504.11 mi (811.28 km) |
| Donaueschingen to Kielce | 580.58 mi (934.36 km) |
| Donaueschingen to Kielczow | 446.52 mi (718.60 km) |
| Donaueschingen to Klobuck | 510.84 mi (822.11 km) |
| Donaueschingen to Klodzko | 405.52 mi (652.61 km) |
| Donaueschingen to Kluczbork | 483.29 mi (777.78 km) |
