| Harpenden to Borgosatollo | 651.34 mi (1,048.24 km) |
| Harpenden to Borgosesia | 575.22 mi (925.73 km) |
| Harpenden to Boscoreale | 1,037.56 mi (1,669.78 km) |
| Harpenden to Boscotrecase | 1,036.12 mi (1,667.47 km) |
| Harpenden to Botticino Sera | 648.28 mi (1,043.30 km) |
| Harpenden to Bovalino Marina | 1,236.46 mi (1,989.89 km) |
| Harpenden to Boves | 632.04 mi (1,017.18 km) |
| Harpenden to Boville Ernica | 956.94 mi (1,540.05 km) |
| Harpenden to Bovisio Masciago | 608.33 mi (979.00 km) |
| Harpenden to Bovolone | 692.87 mi (1,115.07 km) |
| Harpenden to Bra | 619.03 mi (996.23 km) |
| Harpenden to Bracciano | 892.07 mi (1,435.65 km) |
| Harpenden to Brandizzo | 591.83 mi (952.46 km) |
| Harpenden to Breganze | 686.60 mi (1,104.98 km) |
| Harpenden to Brembate | 622.19 mi (1,001.32 km) |
