Calculations with different methods
- 227.394 miles
- 365.955 kilometers
- 197.600 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
- 227.474 miles
- 366.084 kilometers
- 197.670 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Dallas/Fort Worth International Airport (DFW) to Fort Smith Regional Airport (FSM) is 55 minutes.
Time difference and current local times
There is no time difference between Dallas and Fort Smith.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 57 kg (125 pounds).
Dallas to Fort Smith flight map.
Frequent Flyer Miles Calculator
Dallas (DFW) → Fort Smith (FSM).