# 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 1199 miles / 1930 kilometers and travel time by car is about 21 hours 43 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
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
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.

CDT

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?