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How far is Decatur, IL, from Fort Smith?

The distance between Fort Smith (Fort Smith Airport) and Decatur (Decatur Airport) is 1715 miles / 2760 kilometers / 1490 nautical miles.

The driving distance from Fort Smith (YSM) to Decatur (DEC) is 2250 miles / 3621 kilometers, and travel time by car is about 47 hours 10 minutes.

Fort Smith Airport – Decatur Airport

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1715
Miles
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2760
Kilometers
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1490
Nautical miles

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Distance from Fort Smith to Decatur

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

Vincenty's formula (applied above)
  • 1715.154 miles
  • 2760.273 kilometers
  • 1490.428 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
  • 1713.084 miles
  • 2756.941 kilometers
  • 1488.629 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 Smith to Decatur?

The estimated flight time from Fort Smith Airport to Decatur Airport is 3 hours and 44 minutes.

Flight carbon footprint between Fort Smith Airport (YSM) and Decatur Airport (DEC)

On average, flying from Fort Smith to Decatur generates about 194 kg of CO2 per passenger, and 194 kilograms equals 427 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 Smith to Decatur

See the map of the shortest flight path between Fort Smith Airport (YSM) and Decatur Airport (DEC).

Airport information

Origin 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
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W