| Harpenden to Heidelberg | 430.43 mi (692.71 km) |
| Harpenden to Heidenau | 614.64 mi (989.16 km) |
| Harpenden to Heidenheim | 511.84 mi (823.72 km) |
| Harpenden to Heilbad Heiligenstadt | 450.89 mi (725.63 km) |
| Harpenden to Heilbronn | 458.84 mi (738.43 km) |
| Harpenden to Heiligenhafen | 501.55 mi (807.17 km) |
| Harpenden to Heiligenhaus | 316.10 mi (508.72 km) |
| Harpenden to Heilsbronn | 518.41 mi (834.30 km) |
| Harpenden to Heinsberg | 282.49 mi (454.62 km) |
| Harpenden to Helmstedt | 483.45 mi (778.04 km) |
| Harpenden to Hemau | 566.40 mi (911.53 km) |
| Harpenden to Hemer | 349.55 mi (562.55 km) |
| Harpenden to Hemmingen | 429.10 mi (690.57 km) |
| Harpenden to Hemmoor | 417.32 mi (671.61 km) |
| Harpenden to Hemsbach | 422.83 mi (680.48 km) |
