Air Miles Calculator

Distance between Lafayette, LA (LFT) and Helena, MT (HLN)

Distance from Lafayette to Helena (Lafayette Regional Airport – Helena Regional Airport) is 1559 miles / 2509 kilometers / 1354 nautical miles.

How far is Helena from Lafayette?

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

Vincenty's formula (applied above)
  • 1558.715 miles
  • 2508.509 kilometers
  • 1354.486 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
  • 1558.350 miles
  • 2507.921 kilometers
  • 1354.169 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).

Flight duration

Estimated flight time from Lafayette Regional Airport (LFT) to Helena Regional Airport (HLN) is 3 hours 27 minutes.

Time difference and current local times

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

Time Difference

Lafayette
Helena

Lafayette, LA

 CST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 170 kg (376 pounds).

Airport information


A Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

B 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

Map

Lafayette to Helena flight map.

Frequent Flyer Miles Calculator

Lafayette (LFT) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1559
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1559

Round trip?