| Karnobat to Bistrita | 333.80 mi (537.19 km) |
| Karnobat to Blaj | 287.77 mi (463.11 km) |
| Karnobat to Bocsa | 323.22 mi (520.17 km) |
| Karnobat to Boldesti-Scaeni | 172.27 mi (277.25 km) |
| Karnobat to Bolintin Vale | 139.56 mi (224.60 km) |
| Karnobat to Borsa | 364.90 mi (587.25 km) |
| Karnobat to Botosani | 353.76 mi (569.33 km) |
| Karnobat to Brad | 318.07 mi (511.88 km) |
| Karnobat to Bragadiru | 130.25 mi (209.61 km) |
| Karnobat to Braila | 188.46 mi (303.29 km) |
| Karnobat to Brasov | 220.26 mi (354.47 km) |
| Karnobat to Breaza | 188.31 mi (303.05 km) |
| Karnobat to Bucharest | 131.88 mi (212.25 km) |
| Karnobat to Buftea | 143.45 mi (230.86 km) |
| Karnobat to Buhusi | 282.35 mi (454.40 km) |
