Search by airport name, city or IATA airport code.
Green Bay–Chicago | GRB–ORD
Calculations with different methods
- 173.402 miles
- 279.063 kilometers
- 150.682 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 173.552 miles
- 279.305 kilometers
- 150.812 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Green Bay–Austin Straubel International Airport (GRB) to O'Hare International Airport (ORD) is 49 minutes.
Time difference and current local times
There is no time difference between Green Bay and Chicago.
Green Bay, WI
Green Bay to Chicago flight map.
Frequent Flyer Miles Calculator
Green Bay (GRB) → Chicago (ORD).