| Silleda to Argentona | 550.33 mi (885.68 km) |
| Silleda to Arico el Nuevo | 1,103.81 mi (1,776.40 km) |
| Silleda to Armilla | 454.67 mi (731.72 km) |
| Silleda to Arnedo | 314.35 mi (505.90 km) |
| Silleda to Arona | 1,113.90 mi (1,792.66 km) |
| Silleda to Arrecife | 994.25 mi (1,600.09 km) |
| Silleda to Arrigorriaga | 272.62 mi (438.75 km) |
| Silleda to Arroyomolinos | 280.25 mi (451.02 km) |
| Silleda to Arteijo | 44.06 mi (70.91 km) |
| Silleda to Arucas | 1,086.83 mi (1,749.08 km) |
| Silleda to Aspe | 493.84 mi (794.77 km) |
| Silleda to Astorga | 111.65 mi (179.68 km) |
| Silleda to Atarfe | 448.28 mi (721.44 km) |
| Silleda to Avila | 231.54 mi (372.63 km) |
| Silleda to Aviles | 131.31 mi (211.32 km) |
