Knollwood airports ::
The nearest airport is DCA - Ronald Reagan Washington Natl, located 21.5 km south east of Knollwood.
Other airports nearby include IAD - Washington Dulles Intl (27.2 km west), ADW - Camp Springs Andrews Afb (Washington Dc Naf) (34.4 km south east), BWI - Baltimore Washington Intl (45.7 km east), APG - Aberdeen Phillips Aaf (98.6 km north east),