How far is Rockford from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 655.748 miles
- 1055.324 kilometers
- 569.830 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
- 655.527 miles
- 1054.968 kilometers
- 569.637 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 Will Rogers World Airport (OKC) to Chicago Rockford International Airport (RFD) is 1 hour 44 minutes.
Time difference and current local times
There is no time difference between Oklahoma City and Rockford.
Oklahoma City, OK
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 120 kg (264 pounds).
Oklahoma City to Rockford flight map.
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Rockford (RFD).