| Mostoles to Argentona | 337.82 mi (543.68 km) |
| Mostoles to Arico el Nuevo | 1,104.00 mi (1,776.71 km) |
| Mostoles to Armilla | 220.36 mi (354.63 km) |
| Mostoles to Arnedo | 159.21 mi (256.22 km) |
| Mostoles to Arona | 1,115.76 mi (1,795.64 km) |
| Mostoles to Arrecife | 957.89 mi (1,541.58 km) |
| Mostoles to Arrigorriaga | 204.93 mi (329.81 km) |
| Mostoles to Arroyomolinos | 4.92 mi (7.93 km) |
| Mostoles to Arteijo | 315.09 mi (507.09 km) |
| Mostoles to Arucas | 1,072.95 mi (1,726.74 km) |
| Mostoles to Aspe | 215.07 mi (346.11 km) |
| Mostoles to Astorga | 185.81 mi (299.03 km) |
| Mostoles to Atarfe | 215.12 mi (346.20 km) |
| Mostoles to Avila | 48.17 mi (77.52 km) |
| Mostoles to Aviles | 246.13 mi (396.11 km) |
