| New Carrollton to Bicaz | 4,844.84 mi (7,797.02 km) |
| New Carrollton to Bistrita | 4,775.08 mi (7,684.75 km) |
| New Carrollton to Blaj | 4,790.67 mi (7,709.84 km) |
| New Carrollton to Bocsa | 4,735.01 mi (7,620.26 km) |
| New Carrollton to Boldesti-Scaeni | 4,919.92 mi (7,917.84 km) |
| New Carrollton to Bolintin Vale | 4,933.33 mi (7,939.43 km) |
| New Carrollton to Borsa | 4,760.47 mi (7,661.24 km) |
| New Carrollton to Botosani | 4,832.32 mi (7,776.88 km) |
| New Carrollton to Brad | 4,748.39 mi (7,641.79 km) |
| New Carrollton to Bragadiru | 4,945.10 mi (7,958.36 km) |
| New Carrollton to Braila | 4,984.58 mi (8,021.90 km) |
| New Carrollton to Brasov | 4,877.57 mi (7,849.69 km) |
| New Carrollton to Breaza | 4,899.05 mi (7,884.25 km) |
| New Carrollton to Bucharest | 4,947.61 mi (7,962.42 km) |
| New Carrollton to Buftea | 4,935.84 mi (7,943.47 km) |
