How far is Helena, MT, from Dallas, TX?
The distance between Dallas (Dallas/Fort Worth International Airport) and Helena (Helena Regional Airport) is 1232 miles / 1982 kilometers / 1070 nautical miles.
The driving distance from Dallas (DFW) to Helena (HLN) is 1565 miles / 2519 kilometers, and travel time by car is about 27 hours 46 minutes.
Dallas/Fort Worth International Airport – Helena Regional Airport
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Distance from Dallas to Helena
There are several ways to calculate the distance from Dallas to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1231.771 miles
- 1982.343 kilometers
- 1070.380 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- 1231.596 miles
- 1982.062 kilometers
- 1070.228 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 Dallas to Helena?
The estimated flight time from Dallas/Fort Worth International Airport to Helena Regional Airport is 2 hours and 49 minutes.
What is the time difference between Dallas and Helena?
The time difference between Dallas and Helena is 1 hour. Helena is 1 hour behind Dallas.
Flight carbon footprint between Dallas/Fort Worth International Airport (DFW) and Helena Regional Airport (HLN)
On average, flying from Dallas to Helena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 359 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Dallas to Helena
See the map of the shortest flight path between Dallas/Fort Worth International Airport (DFW) and Helena Regional Airport (HLN).
Airport information
| Origin | Dallas/Fort Worth International Airport |
|---|---|
| City: | Dallas, TX |
| Country: | United States  |
| IATA Code: | DFW |
| ICAO Code: | KDFW |
| Coordinates: | 32°53′48″N, 97°2′16″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |