Map of flight path and driving directions from Regina to Chicago.
Shortest flight path between Regina International Airport (YQR) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Regina?
There are several ways to calculate distances between Regina and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Time difference and current local times
The time difference between Regina and Chicago is 1 hour. Chicago is 1 hour ahead of Regina.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 150 kg (331 pounds).
Frequent Flyer Miles Calculator
Regina (YQR) → Chicago (ORD).