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How far is Seattle, WA, from Fort Smith, AR?

The distance between Fort Smith (Fort Smith Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 1662 miles / 2675 kilometers / 1444 nautical miles.

The driving distance from Fort Smith (FSM) to Seattle (SEA) is 2116 miles / 3406 kilometers, and travel time by car is about 36 hours 38 minutes.

Fort Smith Regional Airport – Seattle–Tacoma International Airport

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1662
Miles
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2675
Kilometers
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1444
Nautical miles

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Distance from Fort Smith to Seattle

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

Vincenty's formula (applied above)
  • 1662.067 miles
  • 2674.838 kilometers
  • 1444.297 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
  • 1659.381 miles
  • 2670.514 kilometers
  • 1441.962 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 Seattle?

The estimated flight time from Fort Smith Regional Airport to Seattle–Tacoma International Airport is 3 hours and 38 minutes.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Seattle–Tacoma International Airport (SEA)

On average, flying from Fort Smith to Seattle generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 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 Seattle

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W