How far is Chicago from Lexington?
There are several ways to calculate distances between Lexington and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 323.366 miles
- 520.408 kilometers
- 280.998 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
- 323.461 miles
- 520.559 kilometers
- 281.080 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).
Estimated flight time from Blue Grass Airport (LEX) to O'Hare International Airport (ORD) is 1 hour 6 minutes.
Time difference and current local times
The time difference between Lexington and Chicago is 1 hour. Chicago is 1 hour behind Lexington.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 70 kg (155 pounds).
Lexington to Chicago flight map.
Frequent Flyer Miles Calculator
Lexington (LEX) → Chicago (ORD).