Air Miles Calculator

Distance between Seattle, WA (BFI) and Fort Smith, AR (FSM)

Distance from Seattle to Fort Smith (Boeing Field – Fort Smith Regional Airport) is 1664 miles / 2677 kilometers / 1446 nautical miles.

How far is Fort Smith from Seattle?

There are several ways to calculate distances between Seattle and Fort Smith. Here are two common methods:

Vincenty's formula (applied above)
  • 1663.681 miles
  • 2677.435 kilometers
  • 1445.699 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1661.004 miles
  • 2673.127 kilometers
  • 1443.373 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Fort Smith Regional Airport (FSM) is 3 hours 38 minutes.

Time difference and current local times

The time difference between Seattle and Fort Smith is 2 hours. Fort Smith is 2 hours ahead of Seattle.

Time Difference

Seattle
Fort Smith

Seattle, WA

 PDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 182 kg (402 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

Seattle to Fort Smith flight path

Shortest flight path between Boeing Field (BFI) and Fort Smith Regional Airport (FSM).

Frequent Flyer Miles Calculator

Seattle (BFI) → Fort Smith (FSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1664
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1664

Round trip?