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).
Time difference and current local times
There is no time difference between Des Moines and Fort Smith.
Des Moines, IA
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 88 kg (194 pounds).
Frequent Flyer Miles Calculator
Des Moines (DSM) → Fort Smith (FSM).