| Harpenden to Haaren | 288.53 mi (464.34 km) |
| Harpenden to Hadamar | 376.11 mi (605.29 km) |
| Harpenden to Hagen | 337.62 mi (543.34 km) |
| Harpenden to Hagen im Bremischen | 392.12 mi (631.05 km) |
| Harpenden to Hagenow | 495.77 mi (797.87 km) |
| Harpenden to Haiger | 376.95 mi (606.64 km) |
| Harpenden to Haigerloch | 470.34 mi (756.94 km) |
| Harpenden to Hainichen | 583.15 mi (938.49 km) |
| Harpenden to Halberstadt | 485.98 mi (782.11 km) |
| Harpenden to Haldensleben | 500.55 mi (805.56 km) |
| Harpenden to Hallbergmoos | 587.24 mi (945.07 km) |
| Harpenden to Halle | 371.55 mi (597.95 km) |
| Harpenden to Halle | 528.12 mi (849.93 km) |
| Harpenden to Halle-Neustadt | 526.09 mi (846.67 km) |
| Harpenden to Hallstadt | 506.29 mi (814.79 km) |
