| Olton to Argentona | 777.24 mi (1,250.84 km) |
| Olton to Arico el Nuevo | 1,837.36 mi (2,956.95 km) |
| Olton to Armilla | 1,059.92 mi (1,705.77 km) |
| Olton to Arnedo | 706.34 mi (1,136.74 km) |
| Olton to Arona | 1,847.11 mi (2,972.64 km) |
| Olton to Arrecife | 1,729.60 mi (2,783.52 km) |
| Olton to Arrigorriaga | 639.67 mi (1,029.45 km) |
| Olton to Arroyomolinos | 846.75 mi (1,362.71 km) |
| Olton to Arteijo | 702.71 mi (1,130.90 km) |
| Olton to Arucas | 1,822.13 mi (2,932.44 km) |
| Olton to Aspe | 974.94 mi (1,569.02 km) |
| Olton to Astorga | 717.27 mi (1,154.33 km) |
| Olton to Atarfe | 1,055.19 mi (1,698.17 km) |
| Olton to Avila | 825.68 mi (1,328.80 km) |
| Olton to Aviles | 642.03 mi (1,033.25 km) |
