| Harpenden to Barberino di Mugello | 759.75 mi (1,222.69 km) |
| Harpenden to Barcellona-Pozzo di Gotto | 1,207.43 mi (1,943.17 km) |
| Harpenden to Bareggio | 610.79 mi (982.98 km) |
| Harpenden to Barga | 731.70 mi (1,177.55 km) |
| Harpenden to Bari | 1,098.20 mi (1,767.39 km) |
| Harpenden to Barletta | 1,068.15 mi (1,719.01 km) |
| Harpenden to Baronissi | 1,047.90 mi (1,686.43 km) |
| Harpenden to Barrafranca | 1,223.74 mi (1,969.43 km) |
| Harpenden to Bassano del Grappa | 689.52 mi (1,109.68 km) |
| Harpenden to Battipaglia | 1,061.82 mi (1,708.83 km) |
| Harpenden to Beinasco | 593.60 mi (955.31 km) |
| Harpenden to Bellinzago Novarese | 593.66 mi (955.41 km) |
| Harpenden to Belluno | 690.43 mi (1,111.14 km) |
| Harpenden to Belmonte Mezzagno | 1,160.38 mi (1,867.45 km) |
| Harpenden to Belpasso | 1,233.40 mi (1,984.97 km) |
