Air Miles Calculator

Distance between Green Bay, WI (GRB) and Chicago, IL (ORD)

Distance from Green Bay–Austin Straubel International Airport to O'Hare International Airport is 173 miles / 279 kilometers / 151 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 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).

Flight duration

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.

Time Difference

Green Bay
Chicago

Green Bay, WI

 CST

Chicago, IL

 CST

Airport information


A 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

B O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Map

Flight map from Green Bay to Chicago.

Frequent Flyer Miles Calculator

Green Bay (GRB) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
173
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
173

Round trip?