How far is Phoenix, AZ, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Phoenix (Phoenix Sky Harbor International Airport) is 970 miles / 1561 kilometers / 843 nautical miles.
The driving distance from Great Falls (GTF) to Phoenix (PHX) is 1236 miles / 1989 kilometers, and travel time by car is about 21 hours 54 minutes.
Great Falls International Airport – Phoenix Sky Harbor International Airport
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Distance from Great Falls to Phoenix
There are several ways to calculate the distance from Great Falls to Phoenix. Here are two standard methods:
Vincenty's formula (applied above)- 969.867 miles
- 1560.850 kilometers
- 842.792 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- 971.179 miles
- 1562.961 kilometers
- 843.931 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 Phoenix?
The estimated flight time from Great Falls International Airport to Phoenix Sky Harbor International Airport is 2 hours and 20 minutes.
What is the time difference between Great Falls and Phoenix?
The time difference between Great Falls and Phoenix is 1 hour. Phoenix is 1 hour behind Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Phoenix Sky Harbor International Airport (PHX)
On average, flying from Great Falls to Phoenix generates about 149 kg of CO2 per passenger, and 149 kilograms equals 328 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 Phoenix
See the map of the shortest flight path between Great Falls International Airport (GTF) and Phoenix Sky Harbor International Airport (PHX).
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 | Phoenix Sky Harbor International Airport |
|---|---|
| City: | Phoenix, AZ |
| Country: | United States |
| IATA Code: | PHX |
| ICAO Code: | KPHX |
| Coordinates: | 33°26′3″N, 112°0′43″W |