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

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

Decatur Airport – Adak 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 Decatur to Adak Island

There are several ways to calculate the distance from Decatur to Adak Island. 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 Decatur to Adak Island?

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

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

On average, flying from Decatur to Adak Island 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 Decatur to Adak Island

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

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 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