| Radolfzell am Bodensee to Jicin | 343.87 mi (553.40 km) |
| Radolfzell am Bodensee to Jihlava | 323.88 mi (521.24 km) |
| Radolfzell am Bodensee to Jindrichuv Hradec | 293.27 mi (471.97 km) |
| Radolfzell am Bodensee to Jirkov | 278.49 mi (448.18 km) |
| Radolfzell am Bodensee to Kadan | 267.00 mi (429.70 km) |
| Radolfzell am Bodensee to Karlovy Vary | 247.20 mi (397.83 km) |
| Radolfzell am Bodensee to Karvina | 459.46 mi (739.43 km) |
| Radolfzell am Bodensee to Kladno | 286.52 mi (461.10 km) |
| Radolfzell am Bodensee to Klasterec nad Ohri | 264.12 mi (425.05 km) |
| Radolfzell am Bodensee to Klatovy | 228.77 mi (368.18 km) |
| Radolfzell am Bodensee to Kolin | 324.46 mi (522.17 km) |
| Radolfzell am Bodensee to Koprivnice | 437.89 mi (704.71 km) |
| Radolfzell am Bodensee to Kralupy nad Vltavou | 297.80 mi (479.26 km) |
| Radolfzell am Bodensee to Kraluv Dvur | 276.60 mi (445.15 km) |
| Radolfzell am Bodensee to Krnov | 428.33 mi (689.33 km) |
