How far is Helena, MT, from Montgomery, AL?
The distance between Montgomery (Montgomery Regional Airport) and Helena (Helena Regional Airport) is 1675 miles / 2695 kilometers / 1455 nautical miles.
The driving distance from Montgomery (MGM) to Helena (HLN) is 2036 miles / 3276 kilometers, and travel time by car is about 37 hours 24 minutes.
Montgomery Regional Airport – Helena Regional Airport
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Distance from Montgomery to Helena
There are several ways to calculate the distance from Montgomery to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1674.705 miles
- 2695.176 kilometers
- 1455.279 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- 1672.911 miles
- 2692.289 kilometers
- 1453.720 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 Montgomery to Helena?
The estimated flight time from Montgomery Regional Airport to Helena Regional Airport is 3 hours and 40 minutes.
What is the time difference between Montgomery and Helena?
The time difference between Montgomery and Helena is 1 hour. Helena is 1 hour behind Montgomery.
Flight carbon footprint between Montgomery Regional Airport (MGM) and Helena Regional Airport (HLN)
On average, flying from Montgomery to Helena generates about 191 kg of CO2 per passenger, and 191 kilograms equals 421 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Montgomery to Helena
See the map of the shortest flight path between Montgomery Regional Airport (MGM) and Helena Regional Airport (HLN).
Airport information
| Origin | Montgomery Regional Airport |
|---|---|
| City: | Montgomery, AL |
| Country: | United States  |
| IATA Code: | MGM |
| ICAO Code: | KMGM |
| Coordinates: | 32°18′2″N, 86°23′38″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 |