The journey from Seaside to Washington, D.C. is approximately 4300 kilometers. The only practical mode of transport is flying from Portland International Airport (PDX) to Dulles International Airport (IAD) or Reagan National Airport (DCA). The flight takes about 5 hours. Driving is not recommended due to the extreme distance.
Total Distance: Driving distance: 4300 km. Air distance: 3800 km.
Book your flight from PDX to IAD/DCA for the fastest travel.
Spring or autumn for mild weather in Washington, D.C.