How far is Chicago from Calgary?
There are several ways to calculate distances between Calgary and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 1385.164 miles
- 2229.206 kilometers
- 1203.675 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
- 1382.098 miles
- 2224.271 kilometers
- 1201.010 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 Calgary International Airport (YYC) to O'Hare International Airport (ORD) is 3 hours 7 minutes.
Time difference and current local times
The time difference between Calgary and Chicago is 1 hour. Chicago is 1 hour ahead of Calgary.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 173 kg (382 pounds).
Calgary to Chicago flight map.
Frequent Flyer Miles Calculator
Calgary (YYC) → Chicago (ORD).