| Harpenden to Grosuplje | 790.90 mi (1,272.82 km) |
| Harpenden to Hodos | 823.86 mi (1,325.87 km) |
| Harpenden to Horjul | 774.27 mi (1,246.06 km) |
| Harpenden to Hrastnik | 802.53 mi (1,291.55 km) |
| Harpenden to Hrib-Loski Potok | 798.84 mi (1,285.60 km) |
| Harpenden to Idrija | 764.70 mi (1,230.66 km) |
| Harpenden to Ig | 785.80 mi (1,264.62 km) |
| Harpenden to Ilirska Bistrica | 791.62 mi (1,273.98 km) |
| Harpenden to Ivancna Gorica | 797.31 mi (1,283.14 km) |
| Harpenden to Izola | 771.00 mi (1,240.81 km) |
| Harpenden to Jesenice | 748.35 mi (1,204.35 km) |
| Harpenden to Jurovski Dol | 809.83 mi (1,303.30 km) |
| Harpenden to Jursinci | 822.08 mi (1,323.02 km) |
| Harpenden to Kamnik | 778.26 mi (1,252.49 km) |
| Harpenden to Kanal | 746.10 mi (1,200.73 km) |
