How far is Houston, TX, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Houston (Houston George Bush Intercontinental Airport) is 1479 miles / 2380 kilometers / 1285 nautical miles.
The driving distance from Great Falls (GTF) to Houston (IAH) is 1798 miles / 2894 kilometers, and travel time by car is about 33 hours 24 minutes.
Great Falls International Airport – Houston George Bush Intercontinental Airport
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Distance from Great Falls to Houston
There are several ways to calculate the distance from Great Falls to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 1479.100 miles
- 2380.381 kilometers
- 1285.303 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1479.532 miles
- 2381.075 kilometers
- 1285.678 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).
How long does it take to fly from Great Falls to Houston?
The estimated flight time from Great Falls International Airport to Houston George Bush Intercontinental Airport is 3 hours and 18 minutes.
What is the time difference between Great Falls and Houston?
Flight carbon footprint between Great Falls International Airport (GTF) and Houston George Bush Intercontinental Airport (IAH)
On average, flying from Great Falls to Houston generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Houston
See the map of the shortest flight path between Great Falls International Airport (GTF) and Houston George Bush Intercontinental Airport (IAH).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | 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 |