Calculations with different methods
- 989.721 miles
- 1592.802 kilometers
- 860.044 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
- 988.004 miles
- 1590.038 kilometers
- 858.552 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Regina International Airport (YQR) is 2 hours 22 minutes.
Time difference and current local times
There is no time difference between Chicago and Regina.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 139 kg (307 pounds).
Chicago to Regina flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Regina (YQR).