The nearest airport is CYI - Chiayi, located 98.2 km south of Erh-K'an.
Other airports nearby include TPE - Taipei Chiang Kai Shek Intl (102.9 km north east), HUN - Hualien (103.6 km east), TSA - Taipei Sungshan (123.7 km north east), MZG - Makung Magong (133.0 km south west),