How far is Twin Falls, ID, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Twin Falls (Magic Valley Regional Airport) is 310 miles / 500 kilometers / 270 nautical miles.
The driving distance from Helena (HLN) to Twin Falls (TWF) is 437 miles / 703 kilometers, and travel time by car is about 7 hours 17 minutes.
Helena Regional Airport – Magic Valley Regional Airport
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Distance from Helena to Twin Falls
There are several ways to calculate the distance from Helena to Twin Falls. Here are two standard methods:
Vincenty's formula (applied above)- 310.482 miles
- 499.673 kilometers
- 269.802 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- 310.516 miles
- 499.728 kilometers
- 269.831 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 Twin Falls?
The estimated flight time from Helena Regional Airport to Magic Valley Regional Airport is 1 hour and 5 minutes.
What is the time difference between Helena and Twin Falls?
Flight carbon footprint between Helena Regional Airport (HLN) and Magic Valley Regional Airport (TWF)
On average, flying from Helena to Twin Falls generates about 71 kg of CO2 per passenger, and 71 kilograms equals 156 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 Twin Falls
See the map of the shortest flight path between Helena Regional Airport (HLN) and Magic Valley Regional Airport (TWF).
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 | Magic Valley Regional Airport |
|---|---|
| City: | Twin Falls, ID |
| Country: | United States |
| IATA Code: | TWF |
| ICAO Code: | KTWF |
| Coordinates: | 42°28′54″N, 114°29′16″W |