| Harpenden to Brie-Comte-Robert | 252.46 mi (406.29 km) |
| Harpenden to Brignais | 483.78 mi (778.56 km) |
| Harpenden to Brignoles | 652.88 mi (1,050.71 km) |
| Harpenden to Brive-la-Gaillarde | 468.09 mi (753.31 km) |
| Harpenden to Bron | 483.29 mi (777.78 km) |
| Harpenden to Bruay-sur-l'Escaut | 195.20 mi (314.15 km) |
| Harpenden to Bruges | 479.29 mi (771.34 km) |
| Harpenden to Brumath | 414.56 mi (667.17 km) |
| Harpenden to Brunoy | 249.72 mi (401.89 km) |
| Harpenden to Bruz | 269.27 mi (433.36 km) |
| Harpenden to Bry-sur-Marne | 241.55 mi (388.74 km) |
| Harpenden to Bully-les-Mines | 163.78 mi (263.58 km) |
| Harpenden to Bures-sur-Yvette | 242.50 mi (390.27 km) |
| Harpenden to Bussy-Saint-Georges | 245.65 mi (395.33 km) |
| Harpenden to Buxerolles | 362.05 mi (582.66 km) |
