| Radolfzell am Bodensee to Knurow | 472.46 mi (760.34 km) |
| Radolfzell am Bodensee to Kobylka | 627.93 mi (1,010.56 km) |
| Radolfzell am Bodensee to Kokoszki | 615.76 mi (990.97 km) |
| Radolfzell am Bodensee to Kolbuszowa | 604.92 mi (973.53 km) |
| Radolfzell am Bodensee to Kolno | 689.49 mi (1,109.62 km) |
| Radolfzell am Bodensee to Kolo | 528.27 mi (850.16 km) |
| Radolfzell am Bodensee to Kolobrzeg | 529.50 mi (852.16 km) |
| Radolfzell am Bodensee to Koluszki | 556.86 mi (896.18 km) |
| Radolfzell am Bodensee to Komorniki | 464.37 mi (747.34 km) |
| Radolfzell am Bodensee to Konin | 515.81 mi (830.11 km) |
| Radolfzell am Bodensee to Konskie | 566.39 mi (911.51 km) |
| Radolfzell am Bodensee to Konstancin-Jeziorna | 617.45 mi (993.69 km) |
| Radolfzell am Bodensee to Konstantynow Lodzki | 538.96 mi (867.37 km) |
| Radolfzell am Bodensee to Koronowo | 550.54 mi (886.01 km) |
| Radolfzell am Bodensee to Koscian | 454.78 mi (731.89 km) |
