How far is Green Bay, WI, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Green Bay (Green Bay–Austin Straubel International Airport) is 307 miles / 494 kilometers / 267 nautical miles.
The driving distance from Champaign (CMI) to Green Bay (GRB) is 348 miles / 560 kilometers, and travel time by car is about 6 hours 45 minutes.
University of Illinois Willard Airport – Green Bay–Austin Straubel International Airport
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Distance from Champaign to Green Bay
There are several ways to calculate the distance from Champaign to Green Bay. 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 Champaign to Green Bay?
The estimated flight time from University of Illinois Willard Airport to Green Bay–Austin Straubel International Airport is 1 hour and 4 minutes.
What is the time difference between Champaign and Green Bay?
There is no time difference between Champaign and Green Bay.
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Green Bay–Austin Straubel International Airport (GRB)
On average, flying from Champaign to Green Bay 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 Champaign to Green Bay
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Green Bay–Austin Straubel International Airport (GRB).
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 | Green Bay–Austin Straubel International Airport |
|---|---|
| City: | Green Bay, WI |
| Country: | United States |
| IATA Code: | GRB |
| ICAO Code: | KGRB |
| Coordinates: | 44°29′6″N, 88°7′46″W |