The nearest airport is GRZ - Graz, located 43.4 km south west of Grosshart.
Other airports nearby include MBX - Maribor (79.0 km south), VIE - Vienna Schwechat (114.8 km north east), KLU - Klagenfurt (Worthersee Intl) (136.0 km south west), BTS - Bratislava M R Stefanik (146.4 km north east),