| Owings Mills to Bicaz | 4,819.84 mi (7,756.78 km) |
| Owings Mills to Bistrita | 4,750.24 mi (7,644.77 km) |
| Owings Mills to Blaj | 4,766.19 mi (7,670.44 km) |
| Owings Mills to Bocsa | 4,711.09 mi (7,581.77 km) |
| Owings Mills to Boldesti-Scaeni | 4,895.45 mi (7,878.47 km) |
| Owings Mills to Bolintin Vale | 4,909.07 mi (7,900.39 km) |
| Owings Mills to Borsa | 4,735.45 mi (7,620.98 km) |
| Owings Mills to Botosani | 4,807.01 mi (7,736.14 km) |
| Owings Mills to Brad | 4,724.08 mi (7,602.67 km) |
| Owings Mills to Bragadiru | 4,920.83 mi (7,919.31 km) |
| Owings Mills to Braila | 4,959.76 mi (7,981.95 km) |
| Owings Mills to Brasov | 4,852.99 mi (7,810.13 km) |
| Owings Mills to Breaza | 4,874.59 mi (7,844.89 km) |
| Owings Mills to Bucharest | 4,923.31 mi (7,923.30 km) |
| Owings Mills to Buftea | 4,911.52 mi (7,904.33 km) |
