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 Chicago 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 167 kg (369 pounds).
Calgary to Chicago flight path
Shortest flight path between Calgary International Airport (YYC) and Chicago O'Hare International Airport (ORD).
Frequent Flyer Miles Calculator
Calgary (YYC) → Chicago (ORD).