Air Miles Calculator

Distance between Des Moines, IA (DSM) and Fort Smith, AR (FSM)

Flight distance from Des Moines to Fort Smith (Des Moines International Airport – Fort Smith Regional Airport) is 429 miles / 691 kilometers / 373 nautical miles. Estimated flight time is 1 hour 18 minutes.

Driving distance from Des Moines (DSM) to Fort Smith (FSM) is 477 miles / 768 kilometers and travel time by car is about 8 hours 18 minutes.

Map of flight path and driving directions from Des Moines to Fort Smith.

Shortest flight path between Des Moines International Airport (DSM) and Fort Smith Regional Airport (FSM).

How far is Fort Smith from Des Moines?

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

Vincenty's formula (applied above)
  • 429.167 miles
  • 690.677 kilometers
  • 372.936 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
  • 429.888 miles
  • 691.838 kilometers
  • 373.562 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).

Airport information


A Des Moines International Airport
City: Des Moines, IA
Country: United States Flag of United States
IATA Code: DSM
ICAO Code: KDSM
Coordinates: 41°32′2″N, 93°39′47″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

Time difference and current local times

There is no time difference between Des Moines and Fort Smith.

Time Difference

Des Moines, IA

 CST

Fort Smith, AR

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 88 kg (194 pounds).

Frequent Flyer Miles Calculator

Des Moines (DSM) → Fort Smith (FSM).

Distance:
429
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
429

Round trip?