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How far is Montgomery, AL, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Montgomery (Montgomery Regional Airport) is 1675 miles / 2695 kilometers / 1455 nautical miles.

The driving distance from Helena (HLN) to Montgomery (MGM) is 2038 miles / 3280 kilometers, and travel time by car is about 37 hours 30 minutes.

Helena Regional Airport – Montgomery Regional Airport

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1675
Miles
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2695
Kilometers
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1455
Nautical miles

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Distance from Helena to Montgomery

There are several ways to calculate the distance from Helena to Montgomery. 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 Helena to Montgomery?

The estimated flight time from Helena Regional Airport to Montgomery Regional Airport is 3 hours and 40 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Montgomery Regional Airport (MGM)

On average, flying from Helena to Montgomery 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 Helena to Montgomery

See the map of the shortest flight path between Helena Regional Airport (HLN) and Montgomery Regional Airport (MGM).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W
Destination Montgomery Regional Airport
City: Montgomery, AL
Country: United States Flag of United States
IATA Code: MGM
ICAO Code: KMGM
Coordinates: 32°18′2″N, 86°23′38″W