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DC Answers

Which airport is closer to DC, Reagan or Dulles?

Reagan National (DCA) is much closer. It sits in Arlington, Virginia, roughly 4 to 5 miles from downtown Washington, with a direct Metro connection via the Blue and Yellow lines. Dulles (IAD) is about 26 miles west of the city in Loudoun County, Virginia, a 35-minute drive on a good day.

Reagan National (DCA) is the closer airport, by a significant margin. It sits in Arlington, Virginia, roughly 4 to 5 miles from downtown Washington. Dulles (IAD) is about 26 miles west of the city, in Loudoun County, Virginia. That gap shapes everything: your commute, your transit options, and even which flights you can book.

How far is each airport from DC, exactly?

Ronald Reagan Washington National Airport is approximately 4 miles from downtown, while Washington Dulles International Airport is about 26 miles away. The straight-line distance from DCA to the center of the city is even shorter: about 4 miles as the crow flies. Dulles, by contrast, requires a 26-mile drive.

Put another way, the two airports are 23.4 miles apart from each other, and almost all of that distance is Dulles pulling farther from the city. DCA is located across the border in Crystal City, Virginia. Dulles sits in Dulles, Virginia, well past the Beltway.

Getting into the city: Metro tells the full story

Distance on paper is one thing. Travel time is what most passengers care about.

At Reagan National, Metro's Yellow Line and Blue Line access DCA, closer to the airport than the parking lots. The Metro station is directly attached to Terminal 2 via covered pedestrian bridges, making it one of the most convenient airport Metro connections in the U.S. Both the Blue and Yellow lines reach the core downtown area in 12 to 15 minutes.

Dulles added Metro access when the Silver Line extension opened. Each ride to Dulles takes about an hour from downtown DC. That's roughly four times the transit time from Reagan. A taxi from Dulles to DC runs $75 to $95 and takes about 35 minutes without heavy traffic. From Reagan, a taxi from baggage claim costs $15 to $20.

Flight options: where DCA falls short

Proximity to the Capitol is exactly why Reagan operates under strict limits. Flights to and from DCA are restricted by a statutory 'perimeter rule' that limits nonstop flights to a 1,250-mile distance unless they are granted a waiver by law. The perimeter rule dates to the opening of Washington Dulles International Airport in the early 1960s and was originally designed to move most long-distance airline traffic serving the Washington, DC area to IAD.

Congress has chipped away at the rule over the decades. As a result of federal exemptions, nonstop service is now offered between Reagan National and Austin, Denver, Las Vegas, Los Angeles, Phoenix, Salt Lake City, San Antonio, San Diego, San Francisco, San Juan, Seattle, and Portland, Oregon. But those are exceptions, not the rule. Anything beyond the Midwest typically requires a connection at DCA.

Dulles has no such limits. Dulles is the primary international airport for the DC region, with almost 157 nonstop domestic and international destinations on nearly 40 airlines, and it is a major hub for United Airlines.

The practical answer for most DC travelers

If you're flying somewhere within the eastern half of the country and want the shortest trip to your hotel or meeting, DCA is the obvious choice. You step off the plane, take a covered walkway to the Metro platform, and you're at Metro Center in about 15 minutes. No Uber surge, no traffic on the Dulles Toll Road.

If you need a long-haul international flight, or you're going somewhere on the West Coast that DCA doesn't serve nonstop, Dulles is worth the extra drive. With considerably shorter runways and its proximity to key buildings like the White House, the Pentagon, and the Capitol, DCA operates under significant restrictions.

Travelers at Reagan can often go from curb to gate in less than 30 minutes, a rare convenience in modern air travel. At Dulles, budget more time: the airport is large, the terminals are spread out, and if you're driving, the trip from Dulles to downtown DC takes approximately 35 minutes in light traffic, and considerably longer during rush hour on the Dulles Toll Road.

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