How far is Portland, ME, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Portland (Portland International Jetport) is 493 miles / 794 kilometers / 429 nautical miles.
The driving distance from Washington D.C. (IAD) to Portland (PWM) is 557 miles / 896 kilometers, and travel time by car is about 11 hours 13 minutes.
Washington Dulles International Airport – Portland International Jetport
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Distance from Washington D.C. to Portland
There are several ways to calculate the distance from Washington D.C. to Portland. Here are two standard 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 planet.
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 – the shortest distance between two points).
How long does it take to fly from Washington D.C. to Portland?
The estimated flight time from Washington Dulles International Airport to Portland International Jetport is 1 hour and 26 minutes.
What is the time difference between Washington D.C. and Portland?
There is no time difference between Washington D.C. and Portland.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Portland International Jetport (PWM)
On average, flying from Washington D.C. to Portland generates about 98 kg of CO2 per passenger, and 98 kilograms equals 215 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Portland
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Portland International Jetport (PWM).
Airport information
| Origin | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
| Destination | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |
Airlines flying from Washington D.C. (IAD) to Portland (PWM)
| United Airlines |