The nearest airport is MBX - Maribor, located 28.8 km south of Hart.
Other airports nearby include GRZ - Graz (38.0 km north west), KLU - Klagenfurt (Worthersee Intl) (109.8 km west), ZAG - Zagreb (112.5 km south), LJU - Ljubliana Ljubljana (115.4 km south west),