The nearest airport is UTC - Soesterberg, located 42.4 km north west of Demen.
Other airports nearby include EIN - Eindhoven (44.5 km south west), AMS - Amsterdam Schiphol (80.9 km north west), RTM - Rotterdam (83.8 km west), MGL - Moenchengladbach Monchengladbach (88.9 km south east),