Calculate route from Duncan (Oklahoma, United States) to Washington D.C. (Washington, D.C., United States).

The flight distance (as the crow flies) between Duncan and Washington D.C. is 1,922.1 km.

Roadmap (route) to go from Duncan to Washington D.C. detailed above, you can also see the course layout on the map.

While doing trip Duncan - Washington D.C. by car, the calculated route ends at a distance , or more straight.