Air Miles Calculator

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

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

Driving distance from Houston (IAH) to Lexington (LEX) is 975 miles / 1569 kilometers and travel time by car is about 17 hours 5 minutes.

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

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

How far is Lexington from Houston?

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

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 Houston and Lexington is 1 hour. Lexington is 1 hour ahead of Houston.

Time Difference

Houston, TX

 CDT

Lexington, KY

 EDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Houston (IAH) → Lexington (LEX).

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

In total

Total frequent flyer miles:
828

Round trip?