| Castelo Branco to Arico el Nuevo | 953.19 mi (1,534.01 km) |
| Castelo Branco to Armilla | 279.34 mi (449.56 km) |
| Castelo Branco to Arnedo | 326.63 mi (525.65 km) |
| Castelo Branco to Arona | 964.25 mi (1,551.81 km) |
| Castelo Branco to Arrecife | 824.96 mi (1,327.64 km) |
| Castelo Branco to Arrigorriaga | 334.38 mi (538.14 km) |
| Castelo Branco to Arroyomolinos | 192.93 mi (310.50 km) |
| Castelo Branco to Arteijo | 246.58 mi (396.83 km) |
| Castelo Branco to Arucas | 928.89 mi (1,494.90 km) |
| Castelo Branco to Aspe | 374.94 mi (603.41 km) |
| Castelo Branco to Astorga | 197.26 mi (317.47 km) |
| Castelo Branco to Atarfe | 272.97 mi (439.30 km) |
| Castelo Branco to Avila | 159.33 mi (256.42 km) |
| Castelo Branco to Aviles | 271.09 mi (436.28 km) |
| Castelo Branco to Ayamonte | 180.88 mi (291.09 km) |
