Knappengraben airports ::
The nearest airport is GRZ - Graz, located 73.8 km south of Knappengraben.
Other airports nearby include LNZ - Linz (Horsching) (106.4 km north west), VIE - Vienna Schwechat (106.8 km north east), MBX - Maribor (133.1 km south), KLU - Klagenfurt (Worthersee Intl) (134.4 km south west),