How far is Washington D.C. from Portland, ME?
The distance between Portland (Portland International Jetport) and Washington D.C. (Ronald Reagan Washington National Airport) is 482 miles / 775 kilometers / 419 nautical miles.
The driving distance from Portland (PWM) to Washington D.C. (DCA) is 539 miles / 868 kilometers, and travel time by car is about 10 hours 59 minutes.
Portland International Jetport – Ronald Reagan Washington National Airport
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Distance from Portland to Washington D.C.
There are several ways to calculate the distance from Portland to Washington D.C.. Here are two standard 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 planet.
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).
How long does it take to fly from Portland to Washington D.C.?
The estimated flight time from Portland International Jetport to Ronald Reagan Washington National Airport is 1 hour and 24 minutes.
What is the time difference between Portland and Washington D.C.?
There is no time difference between Portland and Washington D.C..
Flight carbon footprint between Portland International Jetport (PWM) and Ronald Reagan Washington National Airport (DCA)
On average, flying from Portland to Washington D.C. generates about 96 kg of CO2 per passenger, and 96 kilograms equals 211 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portland to Washington D.C.
See the map of the shortest flight path between Portland International Jetport (PWM) and Ronald Reagan Washington National Airport (DCA).
Airport information
| Origin | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States  |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |
| Destination | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |