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How far is Fort Smith from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Fort Smith (Fort Smith Airport) is 2086 miles / 3358 kilometers / 1813 nautical miles.

The driving distance from Washington D.C. (IAD) to Fort Smith (YSM) is 2843 miles / 4575 kilometers, and travel time by car is about 58 hours 14 minutes.

Washington Dulles International Airport – Fort Smith Airport

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2086
Miles
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3358
Kilometers
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1813
Nautical miles

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Distance from Washington D.C. to Fort Smith

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

Vincenty's formula (applied above)
  • 2086.444 miles
  • 3357.807 kilometers
  • 1813.070 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
  • 2083.034 miles
  • 3352.318 kilometers
  • 1810.107 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 Washington D.C. to Fort Smith?

The estimated flight time from Washington Dulles International Airport to Fort Smith Airport is 4 hours and 27 minutes.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Fort Smith Airport (YSM)

On average, flying from Washington D.C. to Fort Smith generates about 227 kg of CO2 per passenger, and 227 kilograms equals 501 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Fort Smith

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Fort Smith Airport (YSM).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″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