| Letchworth to Ames | 738.93 mi (1,189.19 km) |
| Letchworth to Amorebieta | 616.22 mi (991.71 km) |
| Letchworth to Amposta | 779.45 mi (1,254.40 km) |
| Letchworth to Amurrio | 629.96 mi (1,013.83 km) |
| Letchworth to Andoain | 610.99 mi (983.30 km) |
| Letchworth to Andraitx | 866.30 mi (1,394.18 km) |
| Letchworth to Andujar | 980.64 mi (1,578.19 km) |
| Letchworth to Antequera | 1,054.93 mi (1,697.74 km) |
| Letchworth to Antigua | 1,776.12 mi (2,858.38 km) |
| Letchworth to Aranda de Duero | 729.57 mi (1,174.12 km) |
| Letchworth to Aranjuez | 840.78 mi (1,353.11 km) |
| Letchworth to Archena | 959.23 mi (1,543.74 km) |
| Letchworth to Arcos de la Frontera | 1,086.72 mi (1,748.91 km) |
| Letchworth to Arenys de Mar | 730.10 mi (1,174.99 km) |
| Letchworth to Arenys de Munt | 727.91 mi (1,171.46 km) |
