Prospect Hills airports ::
The nearest airport is BWI - Baltimore Washington Intl, located 28.6 km south east of Prospect Hills.
Other airports nearby include DCA - Ronald Reagan Washington Natl (58.2 km south), ADW - Camp Springs Andrews Afb (Washington Dc Naf) (61.4 km south), APG - Aberdeen Phillips Aaf (63.5 km east), IAD - Washington Dulles Intl (67.2 km south west),