| Mlada Boleslav to Bistrita | 491.67 mi (791.27 km) |
| Mlada Boleslav to Blaj | 506.64 mi (815.35 km) |
| Mlada Boleslav to Bocsa | 469.27 mi (755.22 km) |
| Mlada Boleslav to Boldesti-Scaeni | 635.90 mi (1,023.38 km) |
| Mlada Boleslav to Bolintin Vale | 652.48 mi (1,050.06 km) |
| Mlada Boleslav to Borsa | 480.88 mi (773.90 km) |
| Mlada Boleslav to Botosani | 562.62 mi (905.45 km) |
| Mlada Boleslav to Brad | 467.64 mi (752.59 km) |
| Mlada Boleslav to Bragadiru | 663.94 mi (1,068.51 km) |
| Mlada Boleslav to Braila | 700.50 mi (1,127.35 km) |
| Mlada Boleslav to Brasov | 592.76 mi (953.96 km) |
| Mlada Boleslav to Breaza | 615.16 mi (990.01 km) |
| Mlada Boleslav to Bucharest | 665.74 mi (1,071.41 km) |
| Mlada Boleslav to Buftea | 653.74 mi (1,052.10 km) |
| Mlada Boleslav to Buhusi | 596.08 mi (959.29 km) |
