The nearest airport is BZO - Bolzano, located 47.5 km north of Castelnuovo.
Other airports nearby include VIC - Vicenza (53.0 km south), TSF - Treviso (70.0 km south east), QPA - Padova (77.6 km south), AVB - Aviano Ab (Pagliano E Gori) (84.9 km east),