| Orsta to Arico el Nuevo | 2,565.27 mi (4,128.40 km) |
| Orsta to Armilla | 1,780.34 mi (2,865.17 km) |
| Orsta to Arnedo | 1,421.39 mi (2,287.50 km) |
| Orsta to Arona | 2,574.58 mi (4,143.39 km) |
| Orsta to Arrecife | 2,463.39 mi (3,964.44 km) |
| Orsta to Arrigorriaga | 1,362.45 mi (2,192.65 km) |
| Orsta to Arroyomolinos | 1,572.13 mi (2,530.09 km) |
| Orsta to Arteijo | 1,434.26 mi (2,308.22 km) |
| Orsta to Arucas | 2,552.70 mi (4,108.18 km) |
| Orsta to Aspe | 1,673.95 mi (2,693.96 km) |
| Orsta to Astorga | 1,452.27 mi (2,337.20 km) |
| Orsta to Atarfe | 1,776.12 mi (2,858.39 km) |
| Orsta to Avila | 1,555.32 mi (2,503.04 km) |
| Orsta to Aviles | 1,377.30 mi (2,216.55 km) |
| Orsta to Ayamonte | 1,821.56 mi (2,931.52 km) |
