How far is Helena, MT, from Fort Mcpherson?
The distance between Fort Mcpherson (Fort McPherson Airport) and Helena (Helena Regional Airport) is 1656 miles / 2666 kilometers / 1439 nautical miles.
The driving distance from Fort Mcpherson (ZFM) to Helena (HLN) is 2443 miles / 3932 kilometers, and travel time by car is about 55 hours 35 minutes.
Fort McPherson Airport – Helena Regional Airport
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Distance from Fort Mcpherson to Helena
There are several ways to calculate the distance from Fort Mcpherson to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1656.412 miles
- 2665.736 kilometers
- 1439.382 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- 1653.233 miles
- 2660.621 kilometers
- 1436.620 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 Fort Mcpherson to Helena?
The estimated flight time from Fort McPherson Airport to Helena Regional Airport is 3 hours and 38 minutes.
What is the time difference between Fort Mcpherson and Helena?
There is no time difference between Fort Mcpherson and Helena.
Flight carbon footprint between Fort McPherson Airport (ZFM) and Helena Regional Airport (HLN)
On average, flying from Fort Mcpherson to Helena generates about 190 kg of CO2 per passenger, and 190 kilograms equals 418 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Mcpherson to Helena
See the map of the shortest flight path between Fort McPherson Airport (ZFM) and Helena Regional Airport (HLN).
Airport information
| Origin | Fort McPherson Airport |
|---|---|
| City: | Fort Mcpherson |
| Country: | Canada  |
| IATA Code: | ZFM |
| ICAO Code: | CZFM |
| Coordinates: | 67°24′27″N, 134°51′39″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 |