How far is Rockford from Green Bay?
There are several ways to calculate distances between Green Bay and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 165.411 miles
- 266.204 kilometers
- 143.739 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
- 165.503 miles
- 266.351 kilometers
- 143.818 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).
Estimated flight time from Green Bay–Austin Straubel International Airport (GRB) to Chicago Rockford International Airport (RFD) is 48 minutes.
Time difference and current local times
There is no time difference between Green Bay and Rockford.
Green Bay, WI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 48 kg (105 pounds).
|A||Green Bay–Austin Straubel International Airport|
|City:||Green Bay, WI|
|B||Chicago Rockford International Airport|
Green Bay to Rockford flight map.
Frequent Flyer Miles Calculator
Green Bay (GRB) → Rockford (RFD).