| Radolfzell am Bodensee to Juprelle | 257.80 mi (414.89 km) |
| Radolfzell am Bodensee to Jurbise | 298.56 mi (480.48 km) |
| Radolfzell am Bodensee to Kalmthout | 322.79 mi (519.48 km) |
| Radolfzell am Bodensee to Kampenhout | 297.68 mi (479.07 km) |
| Radolfzell am Bodensee to Kapelle-op-den-Bos | 306.95 mi (493.99 km) |
| Radolfzell am Bodensee to Kapellen | 320.25 mi (515.39 km) |
| Radolfzell am Bodensee to Kasterlee | 302.45 mi (486.75 km) |
| Radolfzell am Bodensee to Keerbergen | 298.38 mi (480.20 km) |
| Radolfzell am Bodensee to Kinrooi | 276.67 mi (445.25 km) |
| Radolfzell am Bodensee to Knokke-Heist | 356.18 mi (573.22 km) |
| Radolfzell am Bodensee to Koekelare | 355.08 mi (571.45 km) |
| Radolfzell am Bodensee to Koekelberg | 300.64 mi (483.83 km) |
| Radolfzell am Bodensee to Koksijde | 366.83 mi (590.35 km) |
| Radolfzell am Bodensee to Kontich | 310.33 mi (499.42 km) |
| Radolfzell am Bodensee to Kortemark | 350.24 mi (563.66 km) |
