| Postojna to Bicaz | 571.36 mi (919.51 km) |
| Postojna to Bistrita | 498.14 mi (801.69 km) |
| Postojna to Blaj | 466.33 mi (750.48 km) |
| Postojna to Bocsa | 363.50 mi (584.99 km) |
| Postojna to Boldesti-Scaeni | 575.01 mi (925.39 km) |
| Postojna to Bolintin Vale | 569.79 mi (916.99 km) |
| Postojna to Borsa | 511.31 mi (822.87 km) |
| Postojna to Botosani | 604.36 mi (972.63 km) |
| Postojna to Brad | 412.50 mi (663.86 km) |
| Postojna to Bragadiru | 581.48 mi (935.80 km) |
| Postojna to Braila | 665.42 mi (1,070.89 km) |
| Postojna to Brasov | 549.64 mi (884.55 km) |
| Postojna to Breaza | 555.62 mi (894.19 km) |
| Postojna to Bucharest | 586.67 mi (944.15 km) |
| Postojna to Buftea | 577.16 mi (928.85 km) |
