| Radolfzell am Bodensee to Blace | 669.70 mi (1,077.78 km) |
| Radolfzell am Bodensee to Bogatic | 540.11 mi (869.22 km) |
| Radolfzell am Bodensee to Bojnik | 698.33 mi (1,123.86 km) |
| Radolfzell am Bodensee to Boljevac | 680.42 mi (1,095.03 km) |
| Radolfzell am Bodensee to Bor | 677.54 mi (1,090.39 km) |
| Radolfzell am Bodensee to Borca | 582.07 mi (936.75 km) |
| Radolfzell am Bodensee to Bosilegrad | 749.76 mi (1,206.61 km) |
| Radolfzell am Bodensee to Brus | 655.59 mi (1,055.06 km) |
| Radolfzell am Bodensee to Bujanovac | 721.25 mi (1,160.75 km) |
| Radolfzell am Bodensee to Cacak | 608.27 mi (978.92 km) |
| Radolfzell am Bodensee to Cajetina | 586.17 mi (943.34 km) |
| Radolfzell am Bodensee to Cicevac | 661.98 mi (1,065.35 km) |
| Radolfzell am Bodensee to Coka | 542.52 mi (873.10 km) |
| Radolfzell am Bodensee to Crna Trava | 730.72 mi (1,175.99 km) |
| Radolfzell am Bodensee to Crvenka | 516.86 mi (831.80 km) |
