Air Miles Calculator

Distance between Lexington, KY (LEX) and Chicago, IL (ORD)

Flight distance from Lexington to Chicago (Lexington Blue Grass Airport – Chicago O'Hare International Airport) is 323 miles / 520 kilometers / 281 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Lexington (LEX) to Chicago (ORD) is 382 miles / 615 kilometers and travel time by car is about 6 hours 52 minutes.

Map of flight path and driving directions from Lexington to Chicago.

Shortest flight path between Lexington Blue Grass Airport (LEX) and Chicago O'Hare International Airport (ORD).

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).

Airport information


A Lexington Blue Grass Airport
City: Lexington, KY
Country: United States Flag of United States
IATA Code: LEX
ICAO Code: KLEX
Coordinates: 38°2′11″N, 84°36′21″W

B Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Time difference and current local times

The time difference between Lexington and Chicago is 1 hour. Chicago is 1 hour behind Lexington.

Time Difference

Lexington, KY

 EST

Chicago, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 73 kg (160 pounds).

Frequent Flyer Miles Calculator

Lexington (LEX) → Chicago (ORD).

Distance:
323
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
323

Round trip?