The nearest airport is OVD - Aviles Asturias, located 91.7 km north east of Castaosa.
Other airports nearby include LCG - La Coruna A Coruna (123.8 km west), SCQ - Santiago (124.5 km west), BGC - Braganca (131.5 km south), VGO - Vigo (167.3 km south west),