Map of flight path and driving directions from St Louis to Montreal.
Shortest flight path between St. Louis Lambert International Airport (STL) and Montréal–Pierre Elliott Trudeau International Airport (YUL).
How far is Montreal from St Louis?
There are several ways to calculate distances between St Louis and Montreal. Here are two common methods:Vincenty's formula (applied above)
- 969.743 miles
- 1560.650 kilometers
- 842.684 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
- 968.025 miles
- 1557.885 kilometers
- 841.190 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||St. Louis Lambert International Airport|
|City:||St Louis, MO|
|B||Montréal–Pierre Elliott Trudeau International Airport|
Time difference and current local times
The time difference between St Louis and Montreal is 1 hour. Montreal is 1 hour ahead of St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 149 kg (328 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Montreal (YUL).