| Aosta to Arico el Nuevo | 1,775.38 mi (2,857.20 km) |
| Aosta to Armilla | 818.51 mi (1,317.26 km) |
| Aosta to Arnedo | 527.04 mi (848.19 km) |
| Aosta to Arona | 1,787.40 mi (2,876.55 km) |
| Aosta to Arrecife | 1,620.22 mi (2,607.50 km) |
| Aosta to Arrigorriaga | 532.00 mi (856.17 km) |
| Aosta to Arroyomolinos | 680.12 mi (1,094.55 km) |
| Aosta to Arteijo | 796.21 mi (1,281.37 km) |
| Aosta to Arucas | 1,741.00 mi (2,801.87 km) |
| Aosta to Aspe | 657.08 mi (1,057.46 km) |
| Aosta to Astorga | 700.40 mi (1,127.18 km) |
| Aosta to Atarfe | 817.28 mi (1,315.29 km) |
| Aosta to Avila | 698.04 mi (1,123.39 km) |
| Aosta to Aviles | 666.45 mi (1,072.55 km) |
| Aosta to Ayamonte | 960.83 mi (1,546.30 km) |
