| Kostinbrod to Bistrita | 304.76 mi (490.46 km) |
| Kostinbrod to Blaj | 234.59 mi (377.53 km) |
| Kostinbrod to Bocsa | 191.88 mi (308.80 km) |
| Kostinbrod to Boldesti-Scaeni | 207.31 mi (333.63 km) |
| Kostinbrod to Bolintin Vale | 169.79 mi (273.24 km) |
| Kostinbrod to Borsa | 341.62 mi (549.79 km) |
| Kostinbrod to Botosani | 379.76 mi (611.16 km) |
| Kostinbrod to Brad | 229.85 mi (369.91 km) |
| Kostinbrod to Bragadiru | 174.86 mi (281.41 km) |
| Kostinbrod to Braila | 290.01 mi (466.72 km) |
| Kostinbrod to Brasov | 229.95 mi (370.07 km) |
| Kostinbrod to Breaza | 203.93 mi (328.20 km) |
| Kostinbrod to Bucharest | 182.51 mi (293.72 km) |
| Kostinbrod to Buftea | 182.52 mi (293.74 km) |
| Kostinbrod to Buhusi | 319.01 mi (513.40 km) |
