| Siano to Arico el Nuevo | 1,964.15 mi (3,160.99 km) |
| Siano to Armilla | 1,013.32 mi (1,630.79 km) |
| Siano to Arnedo | 872.98 mi (1,404.93 km) |
| Siano to Arona | 1,976.90 mi (3,181.51 km) |
| Siano to Arrecife | 1,786.72 mi (2,875.45 km) |
| Siano to Arrigorriaga | 916.00 mi (1,474.16 km) |
| Siano to Arroyomolinos | 975.30 mi (1,569.59 km) |
| Siano to Arteijo | 1,199.05 mi (1,929.69 km) |
| Siano to Arucas | 1,918.27 mi (3,087.15 km) |
| Siano to Aspe | 839.66 mi (1,351.30 km) |
| Siano to Astorga | 1,075.37 mi (1,730.64 km) |
| Siano to Atarfe | 1,015.40 mi (1,634.12 km) |
| Siano to Avila | 1,012.63 mi (1,629.66 km) |
| Siano to Aviles | 1,069.02 mi (1,720.43 km) |
| Siano to Ayamonte | 1,208.74 mi (1,945.28 km) |
