Calculations with different methods
- 521.928 miles
- 839.961 kilometers
- 453.543 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
- 521.847 miles
- 839.831 kilometers
- 453.473 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from O'Hare International Airport (ORD) to Northwest Arkansas Regional Airport (XNA) is 1 hour 29 minutes.
Time difference and current local times
There is no time difference between Chicago and Highfill.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 94 kg (207 pounds).
Chicago to Highfill flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Highfill (XNA).