| Harrow Weald to Barberino di Mugello | 749.76 mi (1,206.63 km) |
| Harrow Weald to Barcellona-Pozzo di Gotto | 1,196.57 mi (1,925.70 km) |
| Harrow Weald to Bareggio | 600.54 mi (966.48 km) |
| Harrow Weald to Barga | 721.34 mi (1,160.89 km) |
| Harrow Weald to Bari | 1,089.23 mi (1,752.95 km) |
| Harrow Weald to Barletta | 1,059.03 mi (1,704.34 km) |
| Harrow Weald to Baronissi | 1,037.85 mi (1,670.26 km) |
| Harrow Weald to Barrafranca | 1,212.27 mi (1,950.97 km) |
| Harrow Weald to Bassano del Grappa | 681.21 mi (1,096.30 km) |
| Harrow Weald to Battipaglia | 1,051.81 mi (1,692.72 km) |
| Harrow Weald to Beinasco | 582.13 mi (936.84 km) |
| Harrow Weald to Bellinzago Novarese | 583.28 mi (938.70 km) |
| Harrow Weald to Belluno | 682.74 mi (1,098.77 km) |
| Harrow Weald to Belmonte Mezzagno | 1,148.80 mi (1,848.81 km) |
| Harrow Weald to Belpasso | 1,222.28 mi (1,967.07 km) |
