The nearest airport is MBX - Maribor, located 49.2 km west of Trnje.
Other airports nearby include GRZ - Graz (80.1 km north west), ZAG - Zagreb (95.7 km south), LJU - Ljubliana Ljubljana (147.9 km west), KLU - Klagenfurt (Worthersee Intl) (151.1 km west),