| Harpenden to Bollullos par del Condado | 1,044.90 mi (1,681.61 km) |
| Harpenden to Bormujos | 1,036.48 mi (1,668.05 km) |
| Harpenden to Brenes | 1,021.58 mi (1,644.08 km) |
| Harpenden to Brunete | 807.66 mi (1,299.80 km) |
| Harpenden to Bueu | 765.89 mi (1,232.58 km) |
| Harpenden to Bullas | 953.40 mi (1,534.35 km) |
| Harpenden to Bunol | 856.88 mi (1,379.02 km) |
| Harpenden to Burela de Cabo | 651.77 mi (1,048.92 km) |
| Harpenden to Burgos | 673.26 mi (1,083.51 km) |
| Harpenden to Burjasot | 850.62 mi (1,368.94 km) |
| Harpenden to Burriana | 824.25 mi (1,326.49 km) |
| Harpenden to Cabanaquinta | 649.58 mi (1,045.40 km) |
| Harpenden to Cabanillas del Campo | 784.44 mi (1,262.43 km) |
| Harpenden to Cabra | 1,011.22 mi (1,627.40 km) |
| Harpenden to Caceres | 899.58 mi (1,447.74 km) |
