Air Miles Calculator

Distance between Houston, TX (IAH) and Grand Junction, CO (GJT)

Flight distance from Houston to Grand Junction (Houston George Bush Intercontinental Airport – Grand Junction Regional Airport) is 979 miles / 1576 kilometers / 851 nautical miles. Estimated flight time is 2 hours 21 minutes.

Driving distance from Houston (IAH) to Grand Junction (GJT) is 1200 miles / 1932 kilometers and travel time by car is about 21 hours 50 minutes.

Map of flight path and driving directions from Houston to Grand Junction.

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Grand Junction Regional Airport (GJT).

How far is Grand Junction from Houston?

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

Vincenty's formula (applied above)
  • 979.038 miles
  • 1575.609 kilometers
  • 850.761 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
  • 978.739 miles
  • 1575.128 kilometers
  • 850.501 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 Grand Junction Regional Airport
City: Grand Junction, CO
Country: United States Flag of United States
IATA Code: GJT
ICAO Code: KGJT
Coordinates: 39°7′20″N, 108°31′37″W

Time difference and current local times

The time difference between Houston and Grand Junction is 1 hour. Grand Junction is 1 hour behind Houston.

Time Difference

Houston, TX

 CDT

Grand Junction, CO

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 149 kg (329 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Grand Junction (GJT).

Distance:
979
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
979

Round trip?