| Hertford to Barberino di Mugello | 749.94 mi (1,206.92 km) |
| Hertford to Barcellona-Pozzo di Gotto | 1,198.18 mi (1,928.29 km) |
| Hertford to Bareggio | 601.18 mi (967.50 km) |
| Hertford to Barga | 722.13 mi (1,162.16 km) |
| Hertford to Bari | 1,087.83 mi (1,750.69 km) |
| Hertford to Barletta | 1,057.84 mi (1,702.43 km) |
| Hertford to Baronissi | 1,038.11 mi (1,670.68 km) |
| Hertford to Barrafranca | 1,214.98 mi (1,955.33 km) |
| Hertford to Bassano del Grappa | 678.87 mi (1,092.54 km) |
| Hertford to Battipaglia | 1,052.01 mi (1,693.04 km) |
| Hertford to Beinasco | 584.90 mi (941.31 km) |
| Hertford to Bellinzago Novarese | 584.14 mi (940.08 km) |
| Hertford to Belluno | 679.53 mi (1,093.60 km) |
| Hertford to Belmonte Mezzagno | 1,151.72 mi (1,853.51 km) |
| Hertford to Belpasso | 1,224.35 mi (1,970.41 km) |
