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How far is St Louis, MO, from Montreal?

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

The driving distance from Montreal (YUL) to St Louis (STL) is 1077 miles / 1733 kilometers, and travel time by car is about 21 hours 12 minutes.

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

There are several ways to calculate the distance from Montreal to St Louis. 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 Montreal to St Louis?

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

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

On average, flying from Montreal to St Louis 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 Montreal to St Louis

See the map of the shortest flight path between Montréal–Pierre Elliott Trudeau International Airport (YUL) and St. Louis Lambert International Airport (STL).

Airport information

Origin 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
Destination 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