Calculations with different methods
- 416.065 miles
- 669.592 kilometers
- 361.551 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
- 415.005 miles
- 667.886 kilometers
- 360.629 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Eppley Airfield (OMA) to O'Hare International Airport (ORD) is 1 hour 17 minutes.
Time difference and current local times
There is no time difference between Omaha and Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 82 kg (181 pounds).
Omaha to Chicago flight map.
Frequent Flyer Miles Calculator
Omaha (OMA) → Chicago (ORD).