| Harpenden to Bad Wildungen | 410.14 mi (660.06 km) |
| Harpenden to Bad Windsheim | 497.57 mi (800.77 km) |
| Harpenden to Bad Worishofen | 553.01 mi (889.98 km) |
| Harpenden to Bad Wurzach | 529.76 mi (852.57 km) |
| Harpenden to Bad Zwischenahn | 363.92 mi (585.68 km) |
| Harpenden to Baden-Baden | 433.70 mi (697.98 km) |
| Harpenden to Baesweiler | 288.91 mi (464.96 km) |
| Harpenden to Baiersbronn | 448.40 mi (721.63 km) |
| Harpenden to Balingen | 475.63 mi (765.45 km) |
| Harpenden to Ballenstedt | 495.08 mi (796.75 km) |
| Harpenden to Balve | 354.32 mi (570.23 km) |
| Harpenden to Bamberg | 507.40 mi (816.58 km) |
| Harpenden to Bannewitz | 608.10 mi (978.65 km) |
| Harpenden to Bargteheide | 462.42 mi (744.19 km) |
| Harpenden to Barleben | 509.85 mi (820.53 km) |
