Air Miles Calculator

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

Distance from Blue Grass Airport to O'Hare International Airport is 323 miles / 520 kilometers / 281 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Lexington
Chicago

Lexington, KY

 EST

Chicago, IL

 CST

Airport information


A 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 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

Map

Flight map from Lexington to Chicago.

Frequent Flyer Miles Calculator

Lexington (LEX) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
323
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
323

Round trip?