How far is Unalaska, AK, from Portland, ME?

The distance between Portland (Portland International Jetport) and Unalaska (Unalaska Airport) is 4105 miles / 6607 kilometers / 3567 nautical miles.

Distance from Portland to Unalaska

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

Vincenty's formula (applied above)

• 4105.269 miles
• 6606.791 kilometers
• 3567.382 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

• 4093.405 miles
• 6587.697 kilometers
• 3557.072 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 Unalaska?

The estimated flight time from Portland International Jetport to Unalaska Airport is 8 hours and 16 minutes.

What is the time difference between Portland and Unalaska?

The time difference between Portland and Unalaska is 5 hours. Unalaska is 5 hours behind Portland.

Flight carbon footprint between Portland International Jetport (PWM) and Unalaska Airport (DUT)

On average, flying from Portland to Unalaska generates about 470 kg of CO2 per passenger, and 470 kilograms equals 1 035 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Unalaska

See the map of the shortest flight path between Portland International Jetport (PWM) and Unalaska Airport (DUT).

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