How far is Great Falls, MT, from Phoenix, AZ?
The distance between Phoenix (Phoenix Sky Harbor International Airport) and Great Falls (Great Falls International Airport) is 970 miles / 1561 kilometers / 843 nautical miles.
The driving distance from Phoenix (PHX) to Great Falls (GTF) is 1237 miles / 1991 kilometers, and travel time by car is about 21 hours 55 minutes.
Phoenix Sky Harbor International Airport – Great Falls International Airport
Search flights
Distance from Phoenix to Great Falls
There are several ways to calculate the distance from Phoenix to Great Falls. 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 Phoenix to Great Falls?
The estimated flight time from Phoenix Sky Harbor International Airport to Great Falls International Airport is 2 hours and 20 minutes.
What is the time difference between Phoenix and Great Falls?
There is no time difference between Phoenix and Great Falls.
Flight carbon footprint between Phoenix Sky Harbor International Airport (PHX) and Great Falls International Airport (GTF)
On average, flying from Phoenix to Great Falls 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 Phoenix to Great Falls
See the map of the shortest flight path between Phoenix Sky Harbor International Airport (PHX) and Great Falls International Airport (GTF).
Airport information
| Origin | 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 |
| Destination | 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 |