Air Miles Calculator

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

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

Driving distance from Chicago (ORD) to Lexington (LEX) is 382 miles / 615 kilometers and travel time by car is about 6 hours 48 minutes.

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

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

How far is Lexington from Chicago?

There are several ways to calculate distances between Chicago and Lexington. 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 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

B 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

Time difference and current local times

The time difference between Chicago and Lexington is 1 hour. Lexington is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CDT

Lexington, KY

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Chicago (ORD) → Lexington (LEX).

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

In total

Total frequent flyer miles:
323

Round trip?