How far is Chicago from Oklahoma City?
There are several ways to calculate distances between Oklahoma City and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 692.816 miles
- 1114.980 kilometers
- 602.041 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
- 692.358 miles
- 1114.242 kilometers
- 601.643 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 O'Hare International Airport (ORD) is 1 hour 48 minutes.
Time difference and current local times
There is no time difference between Oklahoma City and Chicago.
Oklahoma City, OK
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 112 kg (246 pounds).
Oklahoma City to Chicago flight map.
Frequent Flyer Miles Calculator
Oklahoma City (OKC) → Chicago (ORD).