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How far is Decatur, IL, from Adak Island, AK?

The distance between Adak Island (Adak Airport) and Decatur (Decatur Airport) is 4054 miles / 6524 kilometers / 3523 nautical miles.

Adak Airport – Decatur Airport

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4054
Miles
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6524
Kilometers
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3523
Nautical miles

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Distance from Adak Island to Decatur

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

Vincenty's formula (applied above)
  • 4053.723 miles
  • 6523.835 kilometers
  • 3522.589 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
  • 4042.893 miles
  • 6506.406 kilometers
  • 3513.178 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 Adak Island to Decatur?

The estimated flight time from Adak Airport to Decatur Airport is 8 hours and 10 minutes.

Flight carbon footprint between Adak Airport (ADK) and Decatur Airport (DEC)

On average, flying from Adak Island to Decatur generates about 463 kg of CO2 per passenger, and 463 kilograms equals 1 021 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Adak Island to Decatur

See the map of the shortest flight path between Adak Airport (ADK) and Decatur Airport (DEC).

Airport information

Origin Adak Airport
City: Adak Island, AK
Country: United States Flag of United States
IATA Code: ADK
ICAO Code: PADK
Coordinates: 51°52′40″N, 176°38′45″W
Destination 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