| Harpenden to Billingham | 196.64 mi (316.46 km) |
| Harpenden to Bilston | 89.35 mi (143.80 km) |
| Harpenden to Binfield | 32.63 mi (52.52 km) |
| Harpenden to Bingham | 82.38 mi (132.57 km) |
| Harpenden to Bingley | 153.22 mi (246.58 km) |
| Harpenden to Birchington | 77.37 mi (124.52 km) |
| Harpenden to Birkenhead | 155.94 mi (250.96 km) |
| Harpenden to Birmingham | 80.09 mi (128.89 km) |
| Harpenden to Birstall | 143.12 mi (230.33 km) |
| Harpenden to Birstall | 67.48 mi (108.59 km) |
| Harpenden to Bishop Auckland | 204.07 mi (328.42 km) |
| Harpenden to Bishopbriggs | 323.37 mi (520.42 km) |
| Harpenden to Bishops Cleeve | 73.42 mi (118.15 km) |
| Harpenden to Bishops Stortford | 22.72 mi (36.56 km) |
| Harpenden to Bishopstoke | 72.21 mi (116.21 km) |
