How far is Unalaska, AK, from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and Unalaska (Unalaska Airport) is 3562 miles / 5732 kilometers / 3095 nautical miles.

Distance from Chicago to Unalaska

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

Vincenty's formula (applied above)

• 3561.645 miles
• 5731.912 kilometers
• 3094.985 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

• 3551.803 miles
• 5716.072 kilometers
• 3086.432 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 Chicago to Unalaska?

The estimated flight time from Chicago Midway International Airport to Unalaska Airport is 7 hours and 14 minutes.

What is the time difference between Chicago and Unalaska?

The time difference between Chicago and Unalaska is 4 hours. Unalaska is 4 hours behind Chicago.

Flight carbon footprint between Chicago Midway International Airport (MDW) and Unalaska Airport (DUT)

On average, flying from Chicago to Unalaska generates about 402 kg of CO2 per passenger, and 402 kilograms equals 887 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Unalaska

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Unalaska Airport (DUT).

Airport information

Origin	Chicago Midway International Airport
City:	Chicago, IL
Country:	United States
IATA Code:	MDW
ICAO Code:	KMDW
Coordinates:	41°47′9″N, 87°45′8″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