| Radolfzell am Bodensee to Kalisz | 492.25 mi (792.19 km) |
| Radolfzell am Bodensee to Kamien Pomorski | 499.44 mi (803.77 km) |
| Radolfzell am Bodensee to Kamienna Gora | 381.78 mi (614.42 km) |
| Radolfzell am Bodensee to Karczew | 622.62 mi (1,002.00 km) |
| Radolfzell am Bodensee to Kartuzy | 606.38 mi (975.88 km) |
| Radolfzell am Bodensee to Katowice | 487.55 mi (784.63 km) |
| Radolfzell am Bodensee to Kedzierzyn-Kozle | 455.19 mi (732.56 km) |
| Radolfzell am Bodensee to Kepno | 472.59 mi (760.56 km) |
| Radolfzell am Bodensee to Ketrzyn | 694.83 mi (1,118.22 km) |
| Radolfzell am Bodensee to Kety | 489.31 mi (787.46 km) |
| Radolfzell am Bodensee to Kielce | 567.85 mi (913.87 km) |
| Radolfzell am Bodensee to Kielczow | 437.27 mi (703.72 km) |
| Radolfzell am Bodensee to Klobuck | 499.27 mi (803.49 km) |
| Radolfzell am Bodensee to Klodzko | 394.31 mi (634.58 km) |
| Radolfzell am Bodensee to Kluczbork | 472.50 mi (760.41 km) |
