| Harpenden to Aviano | 707.28 mi (1,138.25 km) |
| Harpenden to Avigliana | 584.99 mi (941.45 km) |
| Harpenden to Avigliano | 1,079.70 mi (1,737.61 km) |
| Harpenden to Avola | 1,276.89 mi (2,054.96 km) |
| Harpenden to Azzano Decimo | 720.24 mi (1,159.12 km) |
| Harpenden to Bacoli | 1,023.02 mi (1,646.40 km) |
| Harpenden to Badia Polesine | 712.83 mi (1,147.20 km) |
| Harpenden to Bagheria | 1,161.64 mi (1,869.47 km) |
| Harpenden to Bagnacavallo | 763.17 mi (1,228.20 km) |
| Harpenden to Bagnara Calabra | 1,218.06 mi (1,960.28 km) |
| Harpenden to Bagno a Ripoli | 775.49 mi (1,248.03 km) |
| Harpenden to Bagnolo in Piano | 701.92 mi (1,129.64 km) |
| Harpenden to Bagnolo Mella | 651.58 mi (1,048.61 km) |
| Harpenden to Barano d'Ischia | 1,022.40 mi (1,645.39 km) |
| Harpenden to Baranzate | 611.89 mi (984.75 km) |
