Air Miles Calculator logo

How far is Fort Smith from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Fort Smith (Fort Smith Airport) is 965 miles / 1553 kilometers / 838 nautical miles.

The driving distance from Seattle (SEA) to Fort Smith (YSM) is 1470 miles / 2366 kilometers, and travel time by car is about 31 hours 34 minutes.

Seattle–Tacoma International Airport – Fort Smith Airport

Distance arrow
965
Miles
Distance arrow
1553
Kilometers
Distance arrow
838
Nautical miles

Search flights

Distance from Seattle to Fort Smith

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

Vincenty's formula (applied above)
  • 964.777 miles
  • 1552.658 kilometers
  • 838.369 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
  • 963.455 miles
  • 1550.530 kilometers
  • 837.219 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 Seattle to Fort Smith?

The estimated flight time from Seattle–Tacoma International Airport to Fort Smith Airport is 2 hours and 19 minutes.

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

On average, flying from Seattle to Fort Smith generates about 148 kg of CO2 per passenger, and 148 kilograms equals 327 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Fort Smith

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

Airport information

Origin 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
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