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How far is Calgary from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Calgary (Calgary International Airport) is 1430 miles / 2301 kilometers / 1242 nautical miles.

The driving distance from St Louis (STL) to Calgary (YYC) is 1821 miles / 2931 kilometers, and travel time by car is about 33 hours 0 minutes.

St. Louis Lambert International Airport – Calgary International Airport

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1430
Miles
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2301
Kilometers
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1242
Nautical miles

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Distance from St Louis to Calgary

There are several ways to calculate the distance from St Louis to Calgary. Here are two standard methods:

Vincenty's formula (applied above)
  • 1429.814 miles
  • 2301.063 kilometers
  • 1242.474 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
  • 1427.561 miles
  • 2297.436 kilometers
  • 1240.516 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 Calgary?

The estimated flight time from St. Louis Lambert International Airport to Calgary International Airport is 3 hours and 12 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Calgary International Airport (YYC)

On average, flying from St Louis to Calgary generates about 175 kg of CO2 per passenger, and 175 kilograms equals 386 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 Calgary

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Calgary International Airport (YYC).

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 Calgary International Airport
City: Calgary
Country: Canada Flag of Canada
IATA Code: YYC
ICAO Code: CYYC
Coordinates: 51°6′50″N, 114°1′11″W