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

The distance between Chicago (Chicago O'Hare International Airport) and Adak Island (Adak Airport) is 3989 miles / 6419 kilometers / 3466 nautical miles.

Chicago O'Hare International Airport – Adak Airport

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3989
Miles
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6419
Kilometers
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3466
Nautical miles

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Distance from Chicago to Adak Island

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

Vincenty's formula (applied above)
  • 3988.817 miles
  • 6419.379 kilometers
  • 3466.188 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
  • 3977.716 miles
  • 6401.513 kilometers
  • 3456.540 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 Adak Island?

The estimated flight time from Chicago O'Hare International Airport to Adak Airport is 8 hours and 3 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Adak Airport (ADK)

On average, flying from Chicago to Adak Island generates about 455 kg of CO2 per passenger, and 455 kilograms equals 1 003 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Chicago to Adak Island

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Adak Airport (ADK).

Airport information

Origin Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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