Air Miles Calculator

Distance between Lewiston, ID (LWS) and Fort Smith, AR (FSM)

Distance from Lewiston to Fort Smith (Lewiston–Nez Perce County Airport – Fort Smith Regional Airport) is 1402 miles / 2257 kilometers / 1218 nautical miles.

How far is Fort Smith from Lewiston?

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

Vincenty's formula (applied above)
  • 1402.149 miles
  • 2256.541 kilometers
  • 1218.434 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
  • 1400.173 miles
  • 2253.361 kilometers
  • 1216.718 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 Lewiston–Nez Perce County Airport (LWS) to Fort Smith Regional Airport (FSM) is 3 hours 9 minutes.

Time difference and current local times

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

Time Difference

Lewiston
Fort Smith

Lewiston, ID

 PST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 168 kg (369 pounds).

Airport information


A Lewiston–Nez Perce County Airport
City: Lewiston, ID
Country: United States Flag of United States
IATA Code: LWS
ICAO Code: KLWS
Coordinates: 46°22′28″N, 117°0′53″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

Map

Lewiston to Fort Smith flight map.

Frequent Flyer Miles Calculator

Lewiston (LWS) → Fort Smith (FSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1402
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1402

Round trip?