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How far is St Louis, MO, from Fort Simpson?

The distance between Fort Simpson (Fort Simpson Airport) and St Louis (St. Louis Lambert International Airport) is 2059 miles / 3313 kilometers / 1789 nautical miles.

The driving distance from Fort Simpson (YFS) to St Louis (STL) is 2745 miles / 4417 kilometers, and travel time by car is about 54 hours 34 minutes.

Fort Simpson Airport – St. Louis Lambert International Airport

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2059
Miles
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3313
Kilometers
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1789
Nautical miles

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Distance from Fort Simpson to St Louis

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

Vincenty's formula (applied above)
  • 2058.766 miles
  • 3313.262 kilometers
  • 1789.019 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
  • 2055.849 miles
  • 3308.568 kilometers
  • 1786.484 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 Fort Simpson to St Louis?

The estimated flight time from Fort Simpson Airport to St. Louis Lambert International Airport is 4 hours and 23 minutes.

Flight carbon footprint between Fort Simpson Airport (YFS) and St. Louis Lambert International Airport (STL)

On average, flying from Fort Simpson to St Louis generates about 224 kg of CO2 per passenger, and 224 kilograms equals 494 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Fort Simpson to St Louis

See the map of the shortest flight path between Fort Simpson Airport (YFS) and St. Louis Lambert International Airport (STL).

Airport information

Origin Fort Simpson Airport
City: Fort Simpson
Country: Canada Flag of Canada
IATA Code: YFS
ICAO Code: CYFS
Coordinates: 61°45′36″N, 121°14′13″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