| Harpenden to Belvedere Marittimo | 1,145.03 mi (1,842.75 km) |
| Harpenden to Benevento | 1,027.39 mi (1,653.42 km) |
| Harpenden to Bergamo | 621.36 mi (999.99 km) |
| Harpenden to Bernalda | 1,128.86 mi (1,816.73 km) |
| Harpenden to Bertinoro | 781.67 mi (1,257.98 km) |
| Harpenden to Besana in Brianza | 608.38 mi (979.10 km) |
| Harpenden to Besozzo | 580.79 mi (934.69 km) |
| Harpenden to Biancavilla | 1,226.10 mi (1,973.22 km) |
| Harpenden to Biassono | 611.25 mi (983.71 km) |
| Harpenden to Bibbiano | 700.01 mi (1,126.55 km) |
| Harpenden to Bibbiena | 794.30 mi (1,278.31 km) |
| Harpenden to Biella | 577.16 mi (928.84 km) |
| Harpenden to Bisceglie | 1,079.61 mi (1,737.46 km) |
| Harpenden to Bisignano | 1,164.01 mi (1,873.29 km) |
| Harpenden to Bitetto | 1,098.90 mi (1,768.51 km) |
