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

The distance between Champaign (University of Illinois Willard Airport) and Adak Island (Adak Airport) is 4067 miles / 6544 kilometers / 3534 nautical miles.

Distance from Champaign to Adak Island

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

Vincenty's formula (applied above)

• 4066.537 miles
• 6544.457 kilometers
• 3533.724 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

• 4055.625 miles
• 6526.895 kilometers
• 3524.241 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 Champaign to Adak Island?

The estimated flight time from University of Illinois Willard Airport to Adak Airport is 8 hours and 11 minutes.

What is the time difference between Champaign and Adak Island?

The time difference between Champaign and Adak Island is 4 hours. Adak Island is 4 hours behind Champaign.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Adak Airport (ADK)

On average, flying from Champaign to Adak Island generates about 465 kg of CO2 per passenger, and 465 kilograms equals 1 024 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Champaign to Adak Island

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Adak Airport (ADK).

Airport information

Origin	University of Illinois Willard Airport
City:	Champaign, IL
Country:	United States
IATA Code:	CMI
ICAO Code:	KCMI
Coordinates:	40°2′21″N, 88°16′41″W

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