Air Miles Calculator logo

How far is Unalaska, AK, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Unalaska (Unalaska Airport) is 4087 miles / 6577 kilometers / 3551 nautical miles.

Washington Dulles International Airport – Unalaska Airport

Distance arrow
4087
Miles
Distance arrow
6577
Kilometers
Distance arrow
3551
Nautical miles

Search flights

Distance from Washington D.C. to Unalaska

There are several ways to calculate the distance from Washington D.C. to Unalaska. Here are two standard methods:

Vincenty's formula (applied above)
  • 4086.654 miles
  • 6576.833 kilometers
  • 3551.205 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
  • 4075.908 miles
  • 6559.537 kilometers
  • 3541.867 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 Unalaska?

The estimated flight time from Washington Dulles International Airport to Unalaska Airport is 8 hours and 14 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Unalaska Airport (DUT)

On average, flying from Washington D.C. to Unalaska generates about 467 kg of CO2 per passenger, and 467 kilograms equals 1 030 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Unalaska

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Unalaska Airport (DUT).

Airport information

Origin 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
Destination Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W