Air Miles Calculator

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

Flight distance from Dallas to Helena (Dallas Love Field – Helena Regional Airport) is 1241 miles / 1997 kilometers / 1078 nautical miles. Estimated flight time is 2 hours 50 minutes.

Driving distance from Dallas (DAL) to Helena (HLN) is 1578 miles / 2540 kilometers and travel time by car is about 26 hours 52 minutes.

Map of flight path and driving directions from Dallas to Helena.

Shortest flight path between Dallas Love Field (DAL) and Helena Regional Airport (HLN).

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).

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

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, TX

 CST

Helena, MT

 MST

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Dallas (DAL) → Helena (HLN).

Distance:
1241
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1241

Round trip?