The diagram shows this better than I can explain it. At a gage height of 1 foot, our stream has the amount of water (flow) represented by the blue area. Let's say it rains and the water rises to 2 feet. The additional flow is represented by the green area.
Closest Airport to Washington, D. C., DC. The closest airport to Washington, D. C. is Ronald Reagan Washington National Airport (DCA). Distance from Ronald Reagan Washington National Airport to Washington, D. C., DC is 4,8 kilometers (3,0 miles).
Report Abuse. Ronald Reagan National Airport-this airport is the closest, located in Arlington, VA (sometimes called the Crystal City area). This airport was just renovated and if you end up getting to the airport and your flight was delayed, you'll have plenty to do.You can shop, eat, drink, look at art or people watch.rlington is very close to DC and the closest is National Airport now known as Ronald Reagan National. Depending on where in Arlington you are going, you can probably use the Metro which services National Airport. gtoacp Â· 9 years ago.