Air Miles Calculator

Distance between St Louis, MO (STL) and Montreal (YUL)

Flight distance from St Louis to Montreal (St. Louis Lambert International Airport – Montréal–Pierre Elliott Trudeau International Airport) is 970 miles / 1561 kilometers / 843 nautical miles. Estimated flight time is 2 hours 20 minutes.

Driving distance from St Louis (STL) to Montreal (YUL) is 1078 miles / 1735 kilometers and travel time by car is about 20 hours 1 minutes.

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).

Airport information


A 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

B 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

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

 CST

Montreal

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 149 kg (328 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Montreal (YUL).

Distance:
970
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
970

Round trip?