Map of flight path and driving directions from Montreal to Chicago.
Shortest flight path between Montréal–Pierre Elliott Trudeau International Airport (YUL) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Montreal?
There are several ways to calculate distances between Montreal and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 747.809 miles
- 1203.482 kilometers
- 649.828 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
- 746.052 miles
- 1200.654 kilometers
- 648.301 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).
|A||Montréal–Pierre Elliott Trudeau International Airport|
|B||Chicago O'Hare International Airport|
Time difference and current local times
The time difference between Montreal and Chicago is 1 hour. Chicago is 1 hour behind Montreal.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 130 kg (286 pounds).
Frequent Flyer Miles Calculator
Montreal (YUL) → Chicago (ORD).