| Sion to Argentona | 406.68 mi (654.50 km) |
| Sion to Arico el Nuevo | 1,797.26 mi (2,892.42 km) |
| Sion to Armilla | 843.97 mi (1,358.24 km) |
| Sion to Arnedo | 544.18 mi (875.77 km) |
| Sion to Arona | 1,809.22 mi (2,911.66 km) |
| Sion to Arrecife | 1,643.76 mi (2,645.38 km) |
| Sion to Arrigorriaga | 544.51 mi (876.31 km) |
| Sion to Arroyomolinos | 699.92 mi (1,126.42 km) |
| Sion to Arteijo | 803.20 mi (1,292.63 km) |
| Sion to Arucas | 1,763.64 mi (2,838.31 km) |
| Sion to Aspe | 684.72 mi (1,101.95 km) |
| Sion to Astorga | 711.87 mi (1,145.64 km) |
| Sion to Atarfe | 842.56 mi (1,355.98 km) |
| Sion to Avila | 715.92 mi (1,152.17 km) |
| Sion to Aviles | 674.65 mi (1,085.75 km) |
