| Karlsfeld to Beyne-Heusay | 309.47 mi (498.04 km) |
| Karlsfeld to Bierbeek | 350.49 mi (564.05 km) |
| Karlsfeld to Bilzen | 323.40 mi (520.46 km) |
| Karlsfeld to Binche | 361.59 mi (581.93 km) |
| Karlsfeld to Bissegem | 411.06 mi (661.53 km) |
| Karlsfeld to Blankenberge | 428.92 mi (690.28 km) |
| Karlsfeld to Blegny | 308.09 mi (495.82 km) |
| Karlsfeld to Bocholt | 332.90 mi (535.75 km) |
| Karlsfeld to Boechout | 371.96 mi (598.62 km) |
| Karlsfeld to Bonheiden | 366.07 mi (589.13 km) |
| Karlsfeld to Boom | 374.07 mi (602.00 km) |
| Karlsfeld to Boortmeerbeek | 363.11 mi (584.37 km) |
| Karlsfeld to Borgerhout | 375.72 mi (604.66 km) |
| Karlsfeld to Borgloon | 327.53 mi (527.11 km) |
| Karlsfeld to Bornem | 379.69 mi (611.05 km) |
