| Herndon to Bicaz | 4,863.96 mi (7,827.79 km) |
| Herndon to Bistrita | 4,794.36 mi (7,715.78 km) |
| Herndon to Blaj | 4,810.32 mi (7,741.46 km) |
| Herndon to Bocsa | 4,755.19 mi (7,652.74 km) |
| Herndon to Boldesti-Scaeni | 4,939.58 mi (7,949.49 km) |
| Herndon to Bolintin Vale | 4,953.20 mi (7,971.40 km) |
| Herndon to Borsa | 4,779.57 mi (7,691.98 km) |
| Herndon to Botosani | 4,851.11 mi (7,807.11 km) |
| Herndon to Brad | 4,768.21 mi (7,673.69 km) |
| Herndon to Bragadiru | 4,964.95 mi (7,990.32 km) |
| Herndon to Braila | 5,003.88 mi (8,052.97 km) |
| Herndon to Brasov | 4,897.12 mi (7,881.15 km) |
| Herndon to Breaza | 4,918.72 mi (7,915.91 km) |
| Herndon to Bucharest | 4,967.43 mi (7,994.31 km) |
| Herndon to Buftea | 4,955.65 mi (7,975.34 km) |
