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How far is Fort Smith from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Fort Smith (Fort Smith Airport) is 1746 miles / 2809 kilometers / 1517 nautical miles.

The driving distance from St Louis (STL) to Fort Smith (YSM) is 2338 miles / 3763 kilometers, and travel time by car is about 47 hours 57 minutes.

St. Louis Lambert International Airport – Fort Smith Airport

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1746
Miles
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2809
Kilometers
Distance arrow
1517
Nautical miles

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Distance from St Louis to Fort Smith

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

Vincenty's formula (applied above)
  • 1745.711 miles
  • 2809.450 kilometers
  • 1516.982 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
  • 1743.966 miles
  • 2806.641 kilometers
  • 1515.465 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 Fort Smith?

The estimated flight time from St. Louis Lambert International Airport to Fort Smith Airport is 3 hours and 48 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Fort Smith Airport (YSM)

On average, flying from St Louis to Fort Smith generates about 196 kg of CO2 per passenger, and 196 kilograms equals 432 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 Fort Smith

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

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 Fort Smith Airport
City: Fort Smith
Country: Canada Flag of Canada
IATA Code: YSM
ICAO Code: CYSM
Coordinates: 60°1′13″N, 111°57′43″W