| Seaham to Argentona | 933.55 mi (1,502.40 km) |
| Seaham to Arico el Nuevo | 1,991.52 mi (3,205.04 km) |
| Seaham to Armilla | 1,226.97 mi (1,974.62 km) |
| Seaham to Arnedo | 872.86 mi (1,404.74 km) |
| Seaham to Arona | 2,000.97 mi (3,220.25 km) |
| Seaham to Arrecife | 1,888.72 mi (3,039.60 km) |
| Seaham to Arrigorriaga | 806.70 mi (1,298.26 km) |
| Seaham to Arroyomolinos | 1,013.79 mi (1,631.54 km) |
| Seaham to Arteijo | 859.52 mi (1,383.26 km) |
| Seaham to Arucas | 1,978.24 mi (3,183.67 km) |
| Seaham to Aspe | 1,139.97 mi (1,834.60 km) |
| Seaham to Astorga | 881.69 mi (1,418.95 km) |
| Seaham to Atarfe | 1,222.26 mi (1,967.03 km) |
| Seaham to Avila | 992.37 mi (1,597.07 km) |
| Seaham to Aviles | 806.02 mi (1,297.17 km) |
