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How far is Chicago, IL, from Lexington, KY?

The distance between Lexington (Lexington Blue Grass Airport) and Chicago (Chicago O'Hare International Airport) is 323 miles / 520 kilometers / 281 nautical miles.

The driving distance from Lexington (LEX) to Chicago (ORD) is 381 miles / 613 kilometers, and travel time by car is about 7 hours 20 minutes.

Lexington Blue Grass Airport – Chicago O'Hare International Airport

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323
Miles
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520
Kilometers
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281
Nautical miles

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Distance from Lexington to Chicago

There are several ways to calculate the distance from Lexington to Chicago. Here are two standard 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 planet.

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).

How long does it take to fly from Lexington to Chicago?

The estimated flight time from Lexington Blue Grass Airport to Chicago O'Hare International Airport is 1 hour and 6 minutes.

Flight carbon footprint between Lexington Blue Grass Airport (LEX) and Chicago O'Hare International Airport (ORD)

On average, flying from Lexington to Chicago generates about 73 kg of CO2 per passenger, and 73 kilograms equals 160 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lexington to Chicago

See the map of the shortest flight path between Lexington Blue Grass Airport (LEX) and Chicago O'Hare International Airport (ORD).

Airport information

Origin 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
Destination 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

Airlines flying from Lexington (LEX) to Chicago (ORD)

American Airlines
United Airlines