Map of flight path and driving directions from Chicago to Montreal.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Montreal Saint-Hubert Longueuil Airport (YHU).
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)
- 763.861 miles
- 1229.316 kilometers
- 663.777 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
- 762.061 miles
- 1226.418 kilometers
- 662.213 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 Chicago and Montreal is 1 hour. Montreal is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 131 kg (290 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Montreal (YHU).