| Harpenden to Burnley | 157.55 mi (253.54 km) |
| Harpenden to Burntwood | 89.29 mi (143.70 km) |
| Harpenden to Burscough | 161.14 mi (259.32 km) |
| Harpenden to Burslem | 114.64 mi (184.50 km) |
| Harpenden to Burton upon Trent | 87.00 mi (140.01 km) |
| Harpenden to Burtonwood | 147.62 mi (237.56 km) |
| Harpenden to Bury | 147.24 mi (236.96 km) |
| Harpenden to Bury Saint Edmunds | 54.35 mi (87.46 km) |
| Harpenden to Bushey | 12.07 mi (19.42 km) |
| Harpenden to Buxton | 119.20 mi (191.83 km) |
| Harpenden to Caerdydd | 123.38 mi (198.56 km) |
| Harpenden to Caerfyrddin | 169.22 mi (272.33 km) |
| Harpenden to Caernarfon | 188.45 mi (303.28 km) |
| Harpenden to Caerphilly | 123.82 mi (199.27 km) |
| Harpenden to Caister-on-Sea | 105.37 mi (169.57 km) |
