Air Miles Calculator

Distance between Dallas, TX (DAL) and Helena, MT (HLN)

Distance from Dallas to Helena (Dallas Love Field – Helena Regional Airport) is 1241 miles / 1997 kilometers / 1078 nautical miles.

How far is Helena from Dallas?

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

Vincenty's formula (applied above)
  • 1240.856 miles
  • 1996.965 kilometers
  • 1078.275 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
  • 1240.663 miles
  • 1996.653 kilometers
  • 1078.106 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 Dallas Love Field (DAL) to Helena Regional Airport (HLN) is 2 hours 50 minutes.

Time difference and current local times

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

Time Difference

Dallas
Helena

Dallas, TX

 CST

Helena, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (359 pounds).

Airport information


A Dallas Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″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

Dallas to Helena flight map.

Frequent Flyer Miles Calculator

Dallas (DAL) → Helena (HLN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1241
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1241

Round trip?