How far is Helena, MT, from Marshall, AK?
The distance between Marshall (Marshall Don Hunter Sr. Airport) and Helena (Helena Regional Airport) is 2211 miles / 3559 kilometers / 1921 nautical miles.
The driving distance from Marshall (MLL) to Helena (HLN) is 3193 miles / 5139 kilometers, and travel time by car is about 138 hours 21 minutes.
Marshall Don Hunter Sr. Airport – Helena Regional Airport
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Distance from Marshall to Helena
There are several ways to calculate the distance from Marshall to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2211.165 miles
- 3558.524 kilometers
- 1921.450 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- 2205.045 miles
- 3548.676 kilometers
- 1916.132 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 Marshall to Helena?
The estimated flight time from Marshall Don Hunter Sr. Airport to Helena Regional Airport is 4 hours and 41 minutes.
What is the time difference between Marshall and Helena?
The time difference between Marshall and Helena is 2 hours. Helena is 2 hours ahead of Marshall.
Flight carbon footprint between Marshall Don Hunter Sr. Airport (MLL) and Helena Regional Airport (HLN)
On average, flying from Marshall to Helena generates about 242 kg of CO2 per passenger, and 242 kilograms equals 533 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Marshall to Helena
See the map of the shortest flight path between Marshall Don Hunter Sr. Airport (MLL) and Helena Regional Airport (HLN).
Airport information
| Origin | Marshall Don Hunter Sr. Airport |
|---|---|
| City: | Marshall, AK |
| Country: | United States  |
| IATA Code: | MLL |
| ICAO Code: | PADM |
| Coordinates: | 61°51′51″N, 162°1′33″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 |