How far is Rockford from Grand Rapids?
There are several ways to calculate distances between Grand Rapids and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 188.472 miles
- 303.317 kilometers
- 163.778 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
- 188.017 miles
- 302.584 kilometers
- 163.382 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 Gerald R. Ford International Airport (GRR) to Chicago Rockford International Airport (RFD) is 51 minutes.
Time difference and current local times
The time difference between Grand Rapids and Rockford is 1 hour. Rockford is 1 hour behind Grand Rapids.
Grand Rapids, MI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 51 kg (112 pounds).
|A||Gerald R. Ford International Airport|
|City:||Grand Rapids, MI|
|B||Chicago Rockford International Airport|
Grand Rapids to Rockford flight map.
Frequent Flyer Miles Calculator
Grand Rapids (GRR) → Rockford (RFD).