| Harpenden to Bucak | 1,795.40 mi (2,889.42 km) |
| Harpenden to Buharkent | 1,698.10 mi (2,732.84 km) |
| Harpenden to Bulancak | 1,958.89 mi (3,152.53 km) |
| Harpenden to Bulanik | 2,205.89 mi (3,550.04 km) |
| Harpenden to Buldan | 1,697.62 mi (2,732.05 km) |
| Harpenden to Bunyan | 1,946.79 mi (3,133.06 km) |
| Harpenden to Burdur | 1,770.64 mi (2,849.57 km) |
| Harpenden to Burhaniye | 1,554.98 mi (2,502.50 km) |
| Harpenden to Bursa | 1,608.10 mi (2,587.99 km) |
| Harpenden to Buyukcekmece | 1,552.37 mi (2,498.30 km) |
| Harpenden to Buyukorhan | 1,622.05 mi (2,610.44 km) |
| Harpenden to Buyukyoncali | 1,510.53 mi (2,430.97 km) |
| Harpenden to Caglayancerit | 2,055.10 mi (3,307.37 km) |
| Harpenden to Cal | 1,718.27 mi (2,765.28 km) |
| Harpenden to Caldiran | 2,273.93 mi (3,659.53 km) |
