The journey from Clackamas to Washington, D.C. covers approximately 4,400 kilometers. Flying from Portland International Airport (PDX) to Dulles (IAD) or Reagan National (DCA) is the most efficient method, taking about 6 to 8 hours depending on connections. Washington, D.C. is a city of monuments, museums, and political history. Once you arrive, the city's extensive Metro system makes it easy to visit all the major sites without a car.
Total Distance: 4,400 km driving distance; 3,700 km straight-line air distance.
Reagan National (DCA) is closer to the city center than Dulles (IAD).
Spring for the Cherry Blossom Festival or Fall for mild temperatures.