| Guadarrama to Argentona | 343.28 mi (552.46 km) |
| Guadarrama to Arico el Nuevo | 1,112.87 mi (1,790.99 km) |
| Guadarrama to Armilla | 244.72 mi (393.84 km) |
| Guadarrama to Arnedo | 148.28 mi (238.64 km) |
| Guadarrama to Arona | 1,124.51 mi (1,809.73 km) |
| Guadarrama to Arrecife | 969.55 mi (1,560.33 km) |
| Guadarrama to Arrigorriaga | 185.73 mi (298.91 km) |
| Guadarrama to Arroyomolinos | 29.76 mi (47.90 km) |
| Guadarrama to Arteijo | 290.86 mi (468.10 km) |
| Guadarrama to Arucas | 1,082.98 mi (1,742.89 km) |
| Guadarrama to Aspe | 239.08 mi (384.76 km) |
| Guadarrama to Astorga | 160.14 mi (257.72 km) |
| Guadarrama to Atarfe | 239.33 mi (385.16 km) |
| Guadarrama to Avila | 31.19 mi (50.20 km) |
| Guadarrama to Aviles | 219.95 mi (353.97 km) |
