Air Miles Calculator

Distance between Lexington, KY (LEX) and Houston, TX (IAH)

Flight distance from Lexington to Houston (Lexington Blue Grass Airport – Houston George Bush Intercontinental Airport) is 828 miles / 1333 kilometers / 720 nautical miles. Estimated flight time is 2 hours 4 minutes.

Driving distance from Lexington (LEX) to Houston (IAH) is 968 miles / 1558 kilometers and travel time by car is about 16 hours 42 minutes.

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

Shortest flight path between Lexington Blue Grass Airport (LEX) and Houston George Bush Intercontinental Airport (IAH).

How far is Houston from Lexington?

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

Vincenty's formula (applied above)
  • 828.179 miles
  • 1332.825 kilometers
  • 719.668 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
  • 828.106 miles
  • 1332.707 kilometers
  • 719.604 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 Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Time difference and current local times

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

Time Difference

Lexington, KY

 EDT

Houston, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 137 kg (303 pounds).

Frequent Flyer Miles Calculator

Lexington (LEX) → Houston (IAH).

Distance:
828
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
828

Round trip?