Air Miles Calculator

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

Distance from Washington Dulles International Airport to Portland International Jetport is 493 miles / 794 kilometers / 429 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 493.233 miles
  • 793.781 kilometers
  • 428.608 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
  • 492.774 miles
  • 793.043 kilometers
  • 428.209 nautical miles

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

Flight duration

Estimated flight time from Washington Dulles International Airport (IAD) to Portland International Jetport (PWM) is 1 hour 26 minutes.

Time difference and current local times

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

Time Difference

Washington D.C.
Portland

Washington D.C.

 EST

Portland, ME

 EST

Airport information


A Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″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

Map

Flight map from Washington D.C. to Portland.

Frequent Flyer Miles Calculator

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

Elite level bonus (%):
Booking class bonus (%):
Air miles:
493
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
493

Round trip?