| Harpenden to Bahce | 2,050.61 mi (3,300.13 km) |
| Harpenden to Bahcesaray | 2,270.15 mi (3,653.45 km) |
| Harpenden to Balikesir | 1,585.90 mi (2,552.26 km) |
| Harpenden to Balya | 1,568.60 mi (2,524.42 km) |
| Harpenden to Banaz | 1,701.91 mi (2,738.97 km) |
| Harpenden to Bandirma | 1,556.92 mi (2,505.62 km) |
| Harpenden to Bartin | 1,682.20 mi (2,707.24 km) |
| Harpenden to Baskale | 2,324.86 mi (3,741.50 km) |
| Harpenden to Baskil | 2,082.91 mi (3,352.12 km) |
| Harpenden to Basmakci | 1,751.61 mi (2,818.95 km) |
| Harpenden to Batman | 2,209.86 mi (3,556.43 km) |
| Harpenden to Battalgazi | 2,070.11 mi (3,331.53 km) |
| Harpenden to Bayat | 1,803.28 mi (2,902.09 km) |
| Harpenden to Bayburt | 2,070.88 mi (3,332.75 km) |
| Harpenden to Bayindir | 1,642.87 mi (2,643.94 km) |
