# Distance between Huntsville, AL (HSV) and Helena, MT (HLN)

Flight distance from Huntsville to Helena (Huntsville International Airport – Helena Regional Airport) is 1551 miles / 2496 kilometers / 1348 nautical miles. Estimated flight time is 3 hours 26 minutes.

Driving distance from Huntsville (HSV) to Helena (HLN) is 1987 miles / 3198 kilometers and travel time by car is about 32 hours 53 minutes.

## Map of flight path and driving directions from Huntsville to Helena.

Shortest flight path between Huntsville International Airport (HSV) and Helena Regional Airport (HLN).

## How far is Helena from Huntsville?

There are several ways to calculate distances between Huntsville and Helena. Here are two common methods:

Vincenty's formula (applied above)
• 1551.131 miles
• 2496.303 kilometers
• 1347.896 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 1548.910 miles
• 2492.729 kilometers
• 1345.966 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).

## Airport information

A Huntsville International Airport
City: Huntsville, AL
Country: United States
IATA Code: HSV
ICAO Code: KHSV
Coordinates: 34°38′13″N, 86°46′30″W

B Helena Regional Airport
City: Helena, MT
Country: United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W

## Time difference and current local times

The time difference between Huntsville and Helena is 1 hour. Helena is 1 hour behind Huntsville.

CDT

MDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 183 kg (403 pounds).

## Frequent Flyer Miles Calculator

Huntsville (HSV) → Helena (HLN).

Distance:
1551
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1551

Round trip?