| Radolfzell am Bodensee to Boppard | 183.52 mi (295.35 km) |
| Radolfzell am Bodensee to Borgentreich | 265.16 mi (426.74 km) |
| Radolfzell am Bodensee to Borgholzhausen | 303.16 mi (487.89 km) |
| Radolfzell am Bodensee to Borken | 298.34 mi (480.13 km) |
| Radolfzell am Bodensee to Borna | 282.53 mi (454.68 km) |
| Radolfzell am Bodensee to Bornheim | 227.00 mi (365.32 km) |
| Radolfzell am Bodensee to Bosel | 367.01 mi (590.64 km) |
| Radolfzell am Bodensee to Bottrop | 277.44 mi (446.50 km) |
| Radolfzell am Bodensee to Bovenden | 269.85 mi (434.28 km) |
| Radolfzell am Bodensee to Brackenheim | 93.39 mi (150.29 km) |
| Radolfzell am Bodensee to Brake | 387.50 mi (623.62 km) |
| Radolfzell am Bodensee to Brakel | 275.40 mi (443.21 km) |
| Radolfzell am Bodensee to Bramsche | 325.37 mi (523.63 km) |
| Radolfzell am Bodensee to Brand | 243.65 mi (392.12 km) |
| Radolfzell am Bodensee to Brand-Erbisdorf | 292.20 mi (470.25 km) |
