Air Miles Calculator

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.

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 Flag of 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 Flag of 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

 CST

Montreal

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 150 kg (330 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Montreal (YHU).

Distance:
986
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
986

Round trip?