How far is Montreal from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Montreal (Montreal Saint-Hubert Longueuil Airport) is 986 miles / 1586 kilometers / 856 nautical miles.
The driving distance from St Louis (STL) to Montreal (YHU) is 1106 miles / 1780 kilometers, and travel time by car is about 21 hours 49 minutes.
St. Louis Lambert International Airport – Montreal Saint-Hubert Longueuil Airport
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Distance from St Louis to Montreal
There are several ways to calculate the distance from St Louis to Montreal. Here are two standard 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 planet.
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).
How long does it take to fly from St Louis to Montreal?
The estimated flight time from St. Louis Lambert International Airport to Montreal Saint-Hubert Longueuil Airport is 2 hours and 21 minutes.
What is the time difference between St Louis and Montreal?
The time difference between St Louis and Montreal is 1 hour. Montreal is 1 hour ahead of St Louis.
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Montreal Saint-Hubert Longueuil Airport (YHU)
On average, flying from St Louis to Montreal generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Montreal
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Montreal Saint-Hubert Longueuil Airport (YHU).
Airport information
| Origin | 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 |
| Destination | Montreal Saint-Hubert Longueuil Airport |
|---|---|
| City: | Montreal |
| Country: | Canada  |
| IATA Code: | YHU |
| ICAO Code: | CYHU |
| Coordinates: | 45°31′3″N, 73°25′0″W |