The nearest airport is IAD - Washington Dulles Intl, located 9.2 km north west of Greenbriar.
Other airports nearby include DCA - Ronald Reagan Washington Natl (31.6 km east), ADW - Camp Springs Andrews Afb (Washington Dc Naf) (46.9 km east), BWI - Baltimore Washington Intl (71.8 km north east), NHK - Patuxent River Nas (108.1 km south east),