| Allentown to Bicaz | 4,712.84 mi (7,584.58 km) |
| Allentown to Bistrita | 4,643.32 mi (7,472.71 km) |
| Allentown to Blaj | 4,659.50 mi (7,498.74 km) |
| Allentown to Bocsa | 4,604.82 mi (7,410.74 km) |
| Allentown to Boldesti-Scaeni | 4,788.77 mi (7,706.78 km) |
| Allentown to Bolintin Vale | 4,802.54 mi (7,728.94 km) |
| Allentown to Borsa | 4,628.45 mi (7,448.76 km) |
| Allentown to Botosani | 4,699.86 mi (7,563.69 km) |
| Allentown to Brad | 4,617.51 mi (7,431.17 km) |
| Allentown to Bragadiru | 4,814.29 mi (7,747.84 km) |
| Allentown to Braila | 4,852.85 mi (7,809.91 km) |
| Allentown to Brasov | 4,746.23 mi (7,638.32 km) |
| Allentown to Breaza | 4,767.92 mi (7,673.22 km) |
| Allentown to Bucharest | 4,816.74 mi (7,751.79 km) |
| Allentown to Buftea | 4,804.94 mi (7,732.80 km) |
