| Ashburn to Bicaz | 4,864.34 mi (7,828.39 km) |
| Ashburn to Bistrita | 4,794.79 mi (7,716.47 km) |
| Ashburn to Blaj | 4,810.86 mi (7,742.33 km) |
| Ashburn to Bocsa | 4,755.91 mi (7,653.89 km) |
| Ashburn to Boldesti-Scaeni | 4,940.13 mi (7,950.36 km) |
| Ashburn to Bolintin Vale | 4,953.81 mi (7,972.38 km) |
| Ashburn to Borsa | 4,779.95 mi (7,692.58 km) |
| Ashburn to Botosani | 4,851.38 mi (7,807.55 km) |
| Ashburn to Brad | 4,768.80 mi (7,674.65 km) |
| Ashburn to Bragadiru | 4,965.56 mi (7,991.29 km) |
| Ashburn to Braila | 5,004.32 mi (8,053.67 km) |
| Ashburn to Brasov | 4,897.62 mi (7,881.96 km) |
| Ashburn to Breaza | 4,919.27 mi (7,916.80 km) |
| Ashburn to Bucharest | 4,968.03 mi (7,995.27 km) |
| Ashburn to Buftea | 4,956.24 mi (7,976.29 km) |
