Air Miles Calculator

Distance between Washington D.C. (DCA) and Portland, ME (PWM)

Flight distance from Washington D.C. to Portland (Ronald Reagan Washington National Airport – Portland International Jetport) is 482 miles / 775 kilometers / 419 nautical miles. Estimated flight time is 1 hour 24 minutes.

Driving distance from Washington D.C. (DCA) to Portland (PWM) is 536 miles / 862 kilometers and travel time by car is about 10 hours 11 minutes.

Map of flight path and driving directions from Washington D.C. to Portland.

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Portland International Jetport (PWM).

How far is Portland from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Portland. Here are two common methods:

Vincenty's formula (applied above)
  • 481.614 miles
  • 775.082 kilometers
  • 418.511 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
  • 481.240 miles
  • 774.480 kilometers
  • 418.186 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W

Time difference and current local times

There is no time difference between Washington D.C. and Portland.

Time Difference

Washington D.C.

 EDT

Portland, ME

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 96 kg (211 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Portland (PWM).

Distance:
482
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
482

Round trip?