Air Miles Calculator

Distance between St Louis, MO (STL) and Lexington, KY (LEX)

Flight distance from St Louis to Lexington (St. Louis Lambert International Airport – Lexington Blue Grass Airport) is 317 miles / 510 kilometers / 275 nautical miles. Estimated flight time is 1 hour 5 minutes.

Driving distance from St Louis (STL) to Lexington (LEX) is 343 miles / 552 kilometers and travel time by car is about 6 hours 3 minutes.

Map of flight path and driving directions from St Louis to Lexington.

Shortest flight path between St. Louis Lambert International Airport (STL) and Lexington Blue Grass Airport (LEX).

How far is Lexington from St Louis?

There are several ways to calculate distances between St Louis and Lexington. Here are two common methods:

Vincenty's formula (applied above)
  • 316.677 miles
  • 509.642 kilometers
  • 275.185 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
  • 315.946 miles
  • 508.465 kilometers
  • 274.549 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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 St Louis and Lexington is 1 hour. Lexington is 1 hour ahead of St Louis.

Time Difference

St Louis, MO

 CDT

Lexington, KY

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 72 kg (158 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Lexington (LEX).

Distance:
317
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
317

Round trip?