How far is Helena, MT, from Phoenix, AZ?
The distance between Phoenix (Phoenix Sky Harbor International Airport) and Helena (Helena Regional Airport) is 909 miles / 1463 kilometers / 790 nautical miles.
The driving distance from Phoenix (PHX) to Helena (HLN) is 1150 miles / 1851 kilometers, and travel time by car is about 20 hours 12 minutes.
Phoenix Sky Harbor International Airport – Helena Regional Airport
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Distance from Phoenix to Helena
There are several ways to calculate the distance from Phoenix to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 908.832 miles
- 1462.623 kilometers
- 789.753 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- 910.134 miles
- 1464.719 kilometers
- 790.885 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 Helena?
The estimated flight time from Phoenix Sky Harbor International Airport to Helena Regional Airport is 2 hours and 13 minutes.
What is the time difference between Phoenix and Helena?
The time difference between Phoenix and Helena is 1 hour. Helena is 1 hour ahead of Phoenix.
Flight carbon footprint between Phoenix Sky Harbor International Airport (PHX) and Helena Regional Airport (HLN)
On average, flying from Phoenix to Helena generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 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 Helena
See the map of the shortest flight path between Phoenix Sky Harbor International Airport (PHX) and Helena Regional Airport (HLN).
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 | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |