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How far is Montreal from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Montreal (Montréal–Pierre Elliott Trudeau International Airport) is 970 miles / 1561 kilometers / 843 nautical miles.

The driving distance from St Louis (STL) to Montreal (YUL) is 1079 miles / 1736 kilometers, and travel time by car is about 21 hours 16 minutes.

St. Louis Lambert International Airport – Montréal–Pierre Elliott Trudeau International Airport

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970
Miles
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1561
Kilometers
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843
Nautical miles

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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)
  • 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 planet.

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).

How long does it take to fly from St Louis to Montreal?

The estimated flight time from St. Louis Lambert International Airport to Montréal–Pierre Elliott Trudeau International Airport is 2 hours and 20 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Montréal–Pierre Elliott Trudeau International Airport (YUL)

On average, flying from St Louis to Montreal generates about 149 kg of CO2 per passenger, and 149 kilograms equals 328 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 Montréal–Pierre Elliott Trudeau International Airport (YUL).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W
Destination Montréal–Pierre Elliott Trudeau International Airport
City: Montreal
Country: Canada Flag of Canada
IATA Code: YUL
ICAO Code: CYUL
Coordinates: 45°28′14″N, 73°44′26″W