Map of flight path and driving directions from Chicago to Jacksonville.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Jacksonville International Airport (JAX).
How far is Jacksonville from Chicago?
There are several ways to calculate distances between Chicago and Jacksonville. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
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 141 kg (310 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Jacksonville (JAX).