| Greenford to Bitonto | 1,080.63 mi (1,739.10 km) |
| Greenford to Bitritto | 1,089.30 mi (1,753.07 km) |
| Greenford to Bollate | 597.62 mi (961.77 km) |
| Greenford to Bologna | 725.32 mi (1,167.28 km) |
| Greenford to Bolzano | 633.01 mi (1,018.73 km) |
| Greenford to Bomporto | 702.84 mi (1,131.12 km) |
| Greenford to Bonate di Sopra | 606.00 mi (975.27 km) |
| Greenford to Bondeno | 708.71 mi (1,140.56 km) |
| Greenford to Bordighera | 651.56 mi (1,048.59 km) |
| Greenford to Borgaro Torinese | 573.13 mi (922.36 km) |
| Greenford to Borgo a Buggiano | 736.44 mi (1,185.19 km) |
| Greenford to Borgo San Dalmazzo | 614.64 mi (989.17 km) |
| Greenford to Borgo San Lorenzo | 754.24 mi (1,213.83 km) |
| Greenford to Borgomanero | 568.81 mi (915.41 km) |
| Greenford to Borgoricco | 698.67 mi (1,124.40 km) |
