| Alexandroupoli to Bistrita | 439.40 mi (707.14 km) |
| Alexandroupoli to Blaj | 380.69 mi (612.66 km) |
| Alexandroupoli to Bocsa | 376.28 mi (605.57 km) |
| Alexandroupoli to Boldesti-Scaeni | 288.93 mi (464.98 km) |
| Alexandroupoli to Bolintin Vale | 248.60 mi (400.09 km) |
| Alexandroupoli to Borsa | 473.94 mi (762.74 km) |
| Alexandroupoli to Botosani | 478.29 mi (769.73 km) |
| Alexandroupoli to Brad | 395.95 mi (637.22 km) |
| Alexandroupoli to Bragadiru | 243.33 mi (391.60 km) |
| Alexandroupoli to Braila | 323.03 mi (519.87 km) |
| Alexandroupoli to Brasov | 333.04 mi (535.97 km) |
| Alexandroupoli to Breaza | 299.85 mi (482.56 km) |
| Alexandroupoli to Bucharest | 247.82 mi (398.83 km) |
| Alexandroupoli to Buftea | 257.06 mi (413.70 km) |
| Alexandroupoli to Buhusi | 407.37 mi (655.60 km) |
