| Thornton Heath to Argentona | 690.48 mi (1,111.23 km) |
| Thornton Heath to Arico el Nuevo | 1,815.02 mi (2,920.99 km) |
| Thornton Heath to Armilla | 999.47 mi (1,608.49 km) |
| Thornton Heath to Arnedo | 641.40 mi (1,032.24 km) |
| Thornton Heath to Arona | 1,825.22 mi (2,937.41 km) |
| Thornton Heath to Arrecife | 1,698.69 mi (2,733.78 km) |
| Thornton Heath to Arrigorriaga | 580.69 mi (934.53 km) |
| Thornton Heath to Arroyomolinos | 790.33 mi (1,271.91 km) |
| Thornton Heath to Arteijo | 682.85 mi (1,098.94 km) |
| Thornton Heath to Arucas | 1,796.57 mi (2,891.29 km) |
| Thornton Heath to Aspe | 902.55 mi (1,452.52 km) |
| Thornton Heath to Astorga | 678.12 mi (1,091.33 km) |
| Thornton Heath to Atarfe | 995.12 mi (1,601.48 km) |
| Thornton Heath to Avila | 774.12 mi (1,245.82 km) |
| Thornton Heath to Aviles | 605.42 mi (974.33 km) |
