Calculations with different methods
- 864.020 miles
- 1390.505 kilometers
- 750.813 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
- 865.213 miles
- 1392.425 kilometers
- 751.849 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 Jacksonville International Airport (JAX) is 2 hours 8 minutes.
Time difference and current local times
The time difference between Chicago and Jacksonville is 1 hour. Jacksonville is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 128 kg (282 pounds).
Chicago to Jacksonville flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Jacksonville (JAX).