| Greenford to Barberino di Mugello | 746.81 mi (1,201.88 km) |
| Greenford to Barcellona-Pozzo di Gotto | 1,193.27 mi (1,920.38 km) |
| Greenford to Bareggio | 597.50 mi (961.58 km) |
| Greenford to Barga | 718.25 mi (1,155.91 km) |
| Greenford to Bari | 1,086.66 mi (1,748.81 km) |
| Greenford to Barletta | 1,056.39 mi (1,700.10 km) |
| Greenford to Baronissi | 1,034.87 mi (1,665.46 km) |
| Greenford to Barrafranca | 1,208.72 mi (1,945.25 km) |
| Greenford to Bassano del Grappa | 678.90 mi (1,092.59 km) |
| Greenford to Battipaglia | 1,048.83 mi (1,687.93 km) |
| Greenford to Beinasco | 578.60 mi (931.16 km) |
| Greenford to Bellinzago Novarese | 580.18 mi (933.72 km) |
| Greenford to Belluno | 680.68 mi (1,095.44 km) |
| Greenford to Belmonte Mezzagno | 1,145.20 mi (1,843.02 km) |
| Greenford to Belpasso | 1,218.87 mi (1,961.58 km) |
