# 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
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
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.

EDT

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?