Calculations with different methods
- 967.970 miles
- 1557.796 kilometers
- 841.143 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
- 965.138 miles
- 1553.238 kilometers
- 838.682 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Kingfisher Lake Airport (KIF) to Fort Smith Airport (YSM) is 2 hours 19 minutes.
Time difference and current local times
The time difference between Kingfisher Lake and Fort Smith is 2 hours. Fort Smith is 2 hours behind Kingfisher Lake.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 137 kg (303 pounds).
Kingfisher Lake to Fort Smith flight map.
Frequent Flyer Miles Calculator
Kingfisher Lake (KIF) → Fort Smith (YSM).