| Karlsfeld to Boppard | 223.48 mi (359.66 km) |
| Karlsfeld to Borgentreich | 251.59 mi (404.89 km) |
| Karlsfeld to Borgholzhausen | 302.65 mi (487.07 km) |
| Karlsfeld to Borken | 322.57 mi (519.12 km) |
| Karlsfeld to Borna | 205.62 mi (330.92 km) |
| Karlsfeld to Bornheim | 266.30 mi (428.57 km) |
| Karlsfeld to Bosel | 364.87 mi (587.20 km) |
| Karlsfeld to Bottrop | 305.14 mi (491.08 km) |
| Karlsfeld to Bovenden | 242.96 mi (391.01 km) |
| Karlsfeld to Brackenheim | 124.84 mi (200.91 km) |
| Karlsfeld to Brake | 376.70 mi (606.25 km) |
| Karlsfeld to Brakel | 262.22 mi (422.01 km) |
| Karlsfeld to Bramsche | 327.28 mi (526.70 km) |
| Karlsfeld to Brand | 295.26 mi (475.17 km) |
| Karlsfeld to Brand-Erbisdorf | 201.23 mi (323.84 km) |
