Map of flight path and driving directions from Chicago to Montreal.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Montréal–Pierre Elliott Trudeau International Airport (YUL).
How far is Montreal from Chicago?
There are several ways to calculate distances between Chicago and Montreal. 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||Chicago O'Hare International Airport|
|B||Montréal–Pierre Elliott Trudeau International Airport|
Time difference and current local times
The time difference between Chicago and Montreal is 1 hour. Montreal is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 130 kg (286 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Montreal (YUL).