Calculations with different methods
- 2128.430 miles
- 3425.376 kilometers
- 1849.555 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
- 2122.804 miles
- 3416.322 kilometers
- 1844.666 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Saint John Airport (YSJ) to Fort Smith Airport (YSM) is 4 hours 31 minutes.
Time difference and current local times
The time difference between Saint John and Fort Smith is 3 hours. Fort Smith is 3 hours behind Saint John.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 241 kg (531 pounds).
Saint John to Fort Smith flight map.
Frequent Flyer Miles Calculator
Saint John (YSJ) → Fort Smith (YSM).