The total driving distance from DCA to IAD is 29 miles or 47 kilometers.
Your trip begins at Ronald Reagan Washington National Airport in Washington, District of Columbia.
It ends at Washington Dulles International Airport in Dulles, Virginia.
If you are planning a road trip, you might also want to calculate the total driving time from DCA to IAD so you can see when you'll arrive at your destination.
You can also calculate the cost of driving from DCA to IAD based on current local fuel prices and an estimate of your car's best gas mileage.
If you're meeting a friend, you might be interested in finding the city that is halfway between DCA and IAD.
Planning to fly a plane instead? You might be more interested in calculating the straight line distance to fly from DCA to IAD.
Travel Math helps you find driving distances based on actual directions for your road trip. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Combine this information with the fuel cost tool to find out how much it will cost you to drive the distance, or compare the results to the straight line distance to determine whether it's better to drive or fly. You can print out pages with a travel map, or follow the links to use Google Maps or Yahoo Maps.
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