| Allentown to Barberino di Mugello | 4,221.33 mi (6,793.58 km) |
| Allentown to Barcellona-Pozzo di Gotto | 4,611.95 mi (7,422.21 km) |
| Allentown to Bareggio | 4,075.37 mi (6,558.68 km) |
| Allentown to Barga | 4,186.16 mi (6,736.97 km) |
| Allentown to Bari | 4,569.37 mi (7,353.69 km) |
| Allentown to Barletta | 4,536.82 mi (7,301.30 km) |
| Allentown to Baronissi | 4,492.62 mi (7,230.18 km) |
| Allentown to Barrafranca | 4,596.43 mi (7,397.24 km) |
| Allentown to Bassano del Grappa | 4,181.93 mi (6,730.17 km) |
| Allentown to Battipaglia | 4,506.85 mi (7,253.07 km) |
| Allentown to Beinasco | 4,029.72 mi (6,485.21 km) |
| Allentown to Bellinzago Novarese | 4,056.63 mi (6,528.51 km) |
| Allentown to Belluno | 4,189.43 mi (6,742.23 km) |
| Allentown to Belmonte Mezzagno | 4,533.06 mi (7,295.26 km) |
| Allentown to Belpasso | 4,623.51 mi (7,440.82 km) |
