The Knolls airports ::
The nearest airport is NHK - Patuxent River Nas, located 32.7 km south east of The Knolls.
Other airports nearby include ADW - Camp Springs Andrews Afb (Washington Dc Naf) (37.9 km north west), DCA - Ronald Reagan Washington Natl (51.4 km north west), BWI - Baltimore Washington Intl (70.7 km north), IAD - Washington Dulles Intl (86.8 km north west),