| Harpenden to Bitonto | 1,092.29 mi (1,757.86 km) |
| Harpenden to Bitritto | 1,100.92 mi (1,771.76 km) |
| Harpenden to Bollate | 610.70 mi (982.83 km) |
| Harpenden to Bologna | 737.70 mi (1,187.21 km) |
| Harpenden to Bolzano | 642.93 mi (1,034.69 km) |
| Harpenden to Bomporto | 715.22 mi (1,151.04 km) |
| Harpenden to Bonate di Sopra | 618.53 mi (995.43 km) |
| Harpenden to Bondeno | 720.63 mi (1,159.74 km) |
| Harpenden to Bordighera | 667.44 mi (1,074.15 km) |
| Harpenden to Borgaro Torinese | 587.95 mi (946.21 km) |
| Harpenden to Borgo a Buggiano | 749.87 mi (1,206.79 km) |
| Harpenden to Borgo San Dalmazzo | 630.29 mi (1,014.35 km) |
| Harpenden to Borgo San Lorenzo | 767.11 mi (1,234.55 km) |
| Harpenden to Borgomanero | 582.31 mi (937.14 km) |
| Harpenden to Borgoricco | 709.42 mi (1,141.71 km) |
