| Karlsfeld to Bistrita | 610.20 mi (982.02 km) |
| Karlsfeld to Blaj | 600.44 mi (966.32 km) |
| Karlsfeld to Bocsa | 522.31 mi (840.57 km) |
| Karlsfeld to Boldesti-Scaeni | 723.99 mi (1,165.14 km) |
| Karlsfeld to Bolintin Vale | 728.46 mi (1,172.34 km) |
| Karlsfeld to Borsa | 611.33 mi (983.85 km) |
| Karlsfeld to Botosani | 702.69 mi (1,130.87 km) |
| Karlsfeld to Brad | 550.47 mi (885.90 km) |
| Karlsfeld to Bragadiru | 740.43 mi (1,191.61 km) |
| Karlsfeld to Braila | 805.17 mi (1,295.80 km) |
| Karlsfeld to Brasov | 689.24 mi (1,109.23 km) |
| Karlsfeld to Breaza | 703.25 mi (1,131.78 km) |
| Karlsfeld to Bucharest | 744.29 mi (1,197.82 km) |
| Karlsfeld to Buftea | 733.36 mi (1,180.23 km) |
| Karlsfeld to Buhusi | 718.03 mi (1,155.56 km) |
