| Harpenden to Zory | 836.09 mi (1,345.55 km) |
| Harpenden to Zuromin | 854.43 mi (1,375.07 km) |
| Harpenden to Zychlin | 846.97 mi (1,363.06 km) |
| Harpenden to Zyrardow | 882.61 mi (1,420.43 km) |
| Harpenden to Zywiec | 864.76 mi (1,391.70 km) |
| Harpenden to Abrantes | 932.64 mi (1,500.94 km) |
| Harpenden to Agualva | 999.13 mi (1,607.94 km) |
| Harpenden to Aguas Santas | 829.82 mi (1,335.46 km) |
| Harpenden to Agueda | 866.71 mi (1,394.83 km) |
| Harpenden to Albergaria-a-Velha | 859.86 mi (1,383.81 km) |
| Harpenden to Albufeira | 1,087.97 mi (1,750.92 km) |
| Harpenden to Alcacer do Sal | 1,009.14 mi (1,624.05 km) |
| Harpenden to Alcanena | 941.69 mi (1,515.51 km) |
| Harpenden to Alcobaca | 942.61 mi (1,516.99 km) |
| Harpenden to Alcochete | 993.63 mi (1,599.09 km) |
