| Delaware to Bicaz | 5,007.55 mi (8,058.87 km) |
| Delaware to Bistrita | 4,940.53 mi (7,951.01 km) |
| Delaware to Blaj | 4,961.66 mi (7,985.02 km) |
| Delaware to Bocsa | 4,914.52 mi (7,909.16 km) |
| Delaware to Boldesti-Scaeni | 5,090.80 mi (8,192.85 km) |
| Delaware to Bolintin Vale | 5,107.32 mi (8,219.43 km) |
| Delaware to Borsa | 4,923.24 mi (7,923.19 km) |
| Delaware to Botosani | 4,990.02 mi (8,030.66 km) |
| Delaware to Brad | 4,922.16 mi (7,921.45 km) |
| Delaware to Bragadiru | 5,118.87 mi (8,238.03 km) |
| Delaware to Braila | 5,149.74 mi (8,287.71 km) |
| Delaware to Brasov | 5,046.75 mi (8,121.95 km) |
| Delaware to Breaza | 5,070.15 mi (8,159.62 km) |
| Delaware to Bucharest | 5,120.82 mi (8,241.16 km) |
| Delaware to Buftea | 5,108.85 mi (8,221.90 km) |
