| Harpenden to Bagnolet | 237.49 mi (382.20 km) |
| Harpenden to Bagnols-sur-Ceze | 576.39 mi (927.61 km) |
| Harpenden to Bailleul | 152.83 mi (245.95 km) |
| Harpenden to Balma | 573.50 mi (922.96 km) |
| Harpenden to Bar-le-Duc | 321.78 mi (517.85 km) |
| Harpenden to Barentin | 167.13 mi (268.97 km) |
| Harpenden to Basse-Goulaine | 321.87 mi (518.00 km) |
| Harpenden to Bastia | 778.32 mi (1,252.59 km) |
| Harpenden to Bayeux | 176.10 mi (283.40 km) |
| Harpenden to Bayonne | 577.74 mi (929.79 km) |
| Harpenden to Beaucaire | 599.68 mi (965.10 km) |
| Harpenden to Beauchamp | 223.69 mi (360.00 km) |
| Harpenden to Beaumont | 447.21 mi (719.71 km) |
| Harpenden to Beaumont-sur-Oise | 218.19 mi (351.14 km) |
| Harpenden to Beaune | 404.87 mi (651.57 km) |
