| Harpenden to Aleksandrow Lodzki | 836.98 mi (1,346.98 km) |
| Harpenden to Andrychow | 867.22 mi (1,395.66 km) |
| Harpenden to Augustow | 979.42 mi (1,576.22 km) |
| Harpenden to Banino | 795.61 mi (1,280.41 km) |
| Harpenden to Barlinek | 659.26 mi (1,060.97 km) |
| Harpenden to Bartoszyce | 891.24 mi (1,434.30 km) |
| Harpenden to Bedzin | 848.79 mi (1,366.00 km) |
| Harpenden to Belchatow | 844.42 mi (1,358.97 km) |
| Harpenden to Biala Podlaska | 995.75 mi (1,602.50 km) |
| Harpenden to Bialogard | 695.51 mi (1,119.32 km) |
| Harpenden to Bialy Kamien | 719.38 mi (1,157.74 km) |
| Harpenden to Bialystok | 988.58 mi (1,590.96 km) |
| Harpenden to Bielawa | 736.08 mi (1,184.61 km) |
| Harpenden to Bielsk Podlaski | 993.01 mi (1,598.10 km) |
| Harpenden to Bielsko-Biala | 855.18 mi (1,376.28 km) |
