How far is Aniak, AK, from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Aniak (Aniak Airport) is 3159 miles / 5084 kilometers / 2745 nautical miles.
Chicago O'Hare International Airport – Aniak Airport
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Distance from Chicago to Aniak
There are several ways to calculate the distance from Chicago to Aniak. Here are two standard methods:
Vincenty's formula (applied above)- 3158.847 miles
- 5083.671 kilometers
- 2744.963 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- 3150.446 miles
- 5070.152 kilometers
- 2737.663 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 Aniak?
The estimated flight time from Chicago O'Hare International Airport to Aniak Airport is 6 hours and 28 minutes.
What is the time difference between Chicago and Aniak?
The time difference between Chicago and Aniak is 3 hours. Aniak is 3 hours behind Chicago.
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Aniak Airport (ANI)
On average, flying from Chicago to Aniak generates about 353 kg of CO2 per passenger, and 353 kilograms equals 779 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Chicago to Aniak
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Aniak Airport (ANI).
Airport information
Origin | Chicago O'Hare International Airport |
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City: | Chicago, IL |
Country: | United States ![]() |
IATA Code: | ORD |
ICAO Code: | KORD |
Coordinates: | 41°58′42″N, 87°54′17″W |
Destination | Aniak Airport |
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City: | Aniak, AK |
Country: | United States ![]() |
IATA Code: | ANI |
ICAO Code: | PANI |
Coordinates: | 61°34′53″N, 159°32′34″W |