| Southend to Argentona | 695.15 mi (1,118.73 km) |
| Southend to Arico el Nuevo | 1,843.64 mi (2,967.05 km) |
| Southend to Armilla | 1,017.19 mi (1,637.00 km) |
| Southend to Arnedo | 658.25 mi (1,059.35 km) |
| Southend to Arona | 1,853.94 mi (2,983.63 km) |
| Southend to Arrecife | 1,725.26 mi (2,776.54 km) |
| Southend to Arrigorriaga | 600.25 mi (966.01 km) |
| Southend to Arroyomolinos | 810.07 mi (1,303.68 km) |
| Southend to Arteijo | 713.23 mi (1,147.83 km) |
| Southend to Arucas | 1,824.43 mi (2,936.14 km) |
| Southend to Aspe | 915.15 mi (1,472.79 km) |
| Southend to Astorga | 703.84 mi (1,132.72 km) |
| Southend to Atarfe | 1,012.99 mi (1,630.25 km) |
| Southend to Avila | 795.66 mi (1,280.49 km) |
| Southend to Aviles | 632.09 mi (1,017.26 km) |
