Distance between St Louis, MO (STL) and Montreal (YHU)
Flight distance from St Louis to Montreal (St. Louis Lambert International Airport – Montreal Saint-Hubert Longueuil Airport) is 986 miles / 1586 kilometers / 856 nautical miles. Estimated flight time is 2 hours 21 minutes.
Driving distance from St Louis (STL) to Montreal (YHU) is 1096 miles / 1764 kilometers and travel time by car is about 20 hours 32 minutes.
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St Louis - Montreal
Map of flight path and driving directions from St Louis to Montreal.
Shortest flight path between St. Louis Lambert International Airport (STL) and Montreal Saint-Hubert Longueuil Airport (YHU).
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)- 985.517 miles
- 1586.036 kilometers
- 856.391 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- 983.753 miles
- 1583.197 kilometers
- 854.858 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).
Airport information
| A | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
| B | Montreal Saint-Hubert Longueuil Airport |
|---|---|
| City: | Montreal |
| Country: | Canada  |
| IATA Code: | YHU |
| ICAO Code: | CYHU |
| Coordinates: | 45°31′3″N, 73°25′0″W |
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.
Time Difference
St Louis, MO
Montreal
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 150 kg (330 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Montreal (YHU).
In total
Round trip?