| Castelo Branco to Amorebieta | 340.56 mi (548.07 km) |
| Castelo Branco to Amposta | 430.34 mi (692.57 km) |
| Castelo Branco to Amurrio | 322.85 mi (519.58 km) |
| Castelo Branco to Andoain | 368.17 mi (592.52 km) |
| Castelo Branco to Andraitx | 527.41 mi (848.79 km) |
| Castelo Branco to Andujar | 222.37 mi (357.86 km) |
| Castelo Branco to Antequera | 250.41 mi (402.99 km) |
| Castelo Branco to Antigua | 870.69 mi (1,401.24 km) |
| Castelo Branco to Aranda de Duero | 237.75 mi (382.62 km) |
| Castelo Branco to Aranjuez | 207.02 mi (333.17 km) |
| Castelo Branco to Archena | 353.16 mi (568.36 km) |
| Castelo Branco to Arcos de la Frontera | 231.07 mi (371.86 km) |
| Castelo Branco to Arenys de Mar | 540.06 mi (869.14 km) |
| Castelo Branco to Arenys de Munt | 539.91 mi (868.91 km) |
| Castelo Branco to Argentona | 532.22 mi (856.53 km) |
