How far is Dallas, TX, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Dallas (Dallas/Fort Worth International Airport) is 1232 miles / 1982 kilometers / 1070 nautical miles.
The driving distance from Helena (HLN) to Dallas (DFW) is 1565 miles / 2519 kilometers, and travel time by car is about 27 hours 52 minutes.
Helena Regional Airport – Dallas/Fort Worth International Airport
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Distance from Helena to Dallas
There are several ways to calculate the distance from Helena to Dallas. 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 Helena to Dallas?
The estimated flight time from Helena Regional Airport to Dallas/Fort Worth International Airport is 2 hours and 49 minutes.
What is the time difference between Helena and Dallas?
The time difference between Helena and Dallas is 1 hour. Dallas is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Dallas/Fort Worth International Airport (DFW)
On average, flying from Helena to Dallas 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 Helena to Dallas
See the map of the shortest flight path between Helena Regional Airport (HLN) and Dallas/Fort Worth International Airport (DFW).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | 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 |