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

The distance between Decatur (Decatur Airport) and Unalaska (Unalaska Airport) is 3610 miles / 5810 kilometers / 3137 nautical miles.

Decatur Airport – Unalaska Airport

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3610
Miles
Distance arrow
5810
Kilometers
Distance arrow
3137
Nautical miles

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Distance from Decatur to Unalaska

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

Vincenty's formula (applied above)
  • 3610.092 miles
  • 5809.880 kilometers
  • 3137.084 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
  • 3600.553 miles
  • 5794.528 kilometers
  • 3128.795 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 Decatur to Unalaska?

The estimated flight time from Decatur Airport to Unalaska Airport is 7 hours and 20 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Unalaska Airport (DUT)

On average, flying from Decatur to Unalaska generates about 408 kg of CO2 per passenger, and 408 kilograms equals 900 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Decatur to Unalaska

See the map of the shortest flight path between Decatur Airport (DEC) and Unalaska Airport (DUT).

Airport information

Origin Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″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