| Cities | Distance |
|---|---|
| Harpenden to Ahrensfelde | 591.24 mi (951.51 km) |
| Harpenden to Aich | 477.45 mi (768.37 km) |
| Harpenden to Aichach | 558.56 mi (898.92 km) |
| Harpenden to Aidlingen | 462.15 mi (743.76 km) |
| Harpenden to Ainring | 652.77 mi (1,050.54 km) |
| Harpenden to Albstadt | 484.60 mi (779.89 km) |
| Harpenden to Aldenhoven | 293.18 mi (471.84 km) |
| Harpenden to Alfeld | 433.75 mi (698.06 km) |
| Harpenden to Alfter | 326.69 mi (525.76 km) |
| Harpenden to Alpen | 294.36 mi (473.73 km) |
| Harpenden to Alsbach-Hahnlein | 417.18 mi (671.38 km) |
| Harpenden to Alsdorf | 288.52 mi (464.33 km) |
| Harpenden to Alsfeld | 422.03 mi (679.19 km) |
| Harpenden to Altdorf | 594.58 mi (956.89 km) |
| Harpenden to Altena | 346.14 mi (557.06 km) |