How far is Unalaska, AK, from Philadelphia, PA?

The distance between Philadelphia (Philadelphia International Airport) and Unalaska (Unalaska Airport) is 4121 miles / 6633 kilometers / 3581 nautical miles.

Distance from Philadelphia to Unalaska

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

Vincenty's formula (applied above)

• 4121.396 miles
• 6632.744 kilometers
• 3581.395 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

• 4110.319 miles
• 6614.917 kilometers
• 3571.769 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 Philadelphia to Unalaska?

The estimated flight time from Philadelphia International Airport to Unalaska Airport is 8 hours and 18 minutes.

What is the time difference between Philadelphia and Unalaska?

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

Flight carbon footprint between Philadelphia International Airport (PHL) and Unalaska Airport (DUT)

On average, flying from Philadelphia to Unalaska generates about 472 kg of CO2 per passenger, and 472 kilograms equals 1 040 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Philadelphia to Unalaska

See the map of the shortest flight path between Philadelphia International Airport (PHL) and Unalaska Airport (DUT).

Airport information

Origin	Philadelphia International Airport
City:	Philadelphia, PA
Country:	United States
IATA Code:	PHL
ICAO Code:	KPHL
Coordinates:	39°52′18″N, 75°14′27″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