| Signa to Arico el Nuevo | 1,867.35 mi (3,005.21 km) |
| Signa to Armilla | 897.20 mi (1,443.90 km) |
| Signa to Arnedo | 674.99 mi (1,086.29 km) |
| Signa to Arona | 1,879.81 mi (3,025.27 km) |
| Signa to Arrecife | 1,700.37 mi (2,736.48 km) |
| Signa to Arrigorriaga | 701.30 mi (1,128.64 km) |
| Signa to Arroyomolinos | 805.98 mi (1,297.11 km) |
| Signa to Arteijo | 980.44 mi (1,577.87 km) |
| Signa to Arucas | 1,827.33 mi (2,940.81 km) |
| Signa to Aspe | 722.44 mi (1,162.66 km) |
| Signa to Astorga | 868.82 mi (1,398.23 km) |
| Signa to Atarfe | 897.60 mi (1,444.55 km) |
| Signa to Avila | 834.71 mi (1,343.33 km) |
| Signa to Aviles | 848.68 mi (1,365.82 km) |
| Signa to Ayamonte | 1,070.08 mi (1,722.12 km) |
