The nearest airport is OVD - Aviles Asturias, located 85.7 km east of San Martín.
Other airports nearby include LCG - La Coruna A Coruna (106.1 km west), SCQ - Santiago (124.5 km south west), BGC - Braganca (179.5 km south), VGO - Vigo (185.0 km south west),