Calculations with different methods
- 2350.405 miles
- 3782.610 kilometers
- 2042.446 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 2344.577 miles
- 3773.232 kilometers
- 2037.382 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Portland International Airport (PDX) to Ronald Reagan Washington National Airport (DCA) is 4 hours 57 minutes.
Time difference and current local times
The time difference between Portland and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 276 kg (608 pounds).
Portland to Washington D.C. flight map.
Frequent Flyer Miles Calculator
Portland (PDX) → Washington D.C. (DCA).