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How far is Champaign, IL, from Green Bay, WI?

The distance between Green Bay (Green Bay–Austin Straubel International Airport) and Champaign (University of Illinois Willard Airport) is 307 miles / 494 kilometers / 267 nautical miles.

The driving distance from Green Bay (GRB) to Champaign (CMI) is 349 miles / 561 kilometers, and travel time by car is about 6 hours 43 minutes.

Green Bay–Austin Straubel International Airport – University of Illinois Willard Airport

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307
Miles
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494
Kilometers
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267
Nautical miles

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Distance from Green Bay to Champaign

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

Vincenty's formula (applied above)
  • 306.954 miles
  • 493.995 kilometers
  • 266.736 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
  • 307.276 miles
  • 494.513 kilometers
  • 267.016 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 Green Bay to Champaign?

The estimated flight time from Green Bay–Austin Straubel International Airport to University of Illinois Willard Airport is 1 hour and 4 minutes.

What is the time difference between Green Bay and Champaign?

There is no time difference between Green Bay and Champaign.

Flight carbon footprint between Green Bay–Austin Straubel International Airport (GRB) and University of Illinois Willard Airport (CMI)

On average, flying from Green Bay to Champaign generates about 70 kg of CO2 per passenger, and 70 kilograms equals 155 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Green Bay to Champaign

See the map of the shortest flight path between Green Bay–Austin Straubel International Airport (GRB) and University of Illinois Willard Airport (CMI).

Airport information

Origin Green Bay–Austin Straubel International Airport
City: Green Bay, WI
Country: United States Flag of United States
IATA Code: GRB
ICAO Code: KGRB
Coordinates: 44°29′6″N, 88°7′46″W
Destination University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W