For Washington-Columbus (John Glenn Columbus Intl. - Port Columbus Intl.) flights, you can use Baltimore Washington International (BWI) Thurgood Marshall Airport, Baltimore Greenbelt Airport, Bolling Afb Airport, Buzzards Pt S Airport, Dulles Intl. Airport, Pentagon Army Airport, Ronald Reagan Washington National Airport as departure airport, and John Glenn Columbus Intl. - Port Columbus Intl. Airport, Rickenbacker Intl. Airport, Ohio State University Airport for arrival.