How far is Grand Junction, CO, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Grand Junction (Grand Junction Regional Airport) is 545 miles / 878 kilometers / 474 nautical miles.
The driving distance from Helena (HLN) to Grand Junction (GJT) is 767 miles / 1234 kilometers, and travel time by car is about 13 hours 1 minutes.
Helena Regional Airport – Grand Junction Regional Airport
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Distance from Helena to Grand Junction
There are several ways to calculate the distance from Helena to Grand Junction. Here are two standard methods:
Vincenty's formula (applied above)- 545.479 miles
- 877.863 kilometers
- 474.008 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- 545.791 miles
- 878.366 kilometers
- 474.280 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 Grand Junction?
The estimated flight time from Helena Regional Airport to Grand Junction Regional Airport is 1 hour and 31 minutes.
What is the time difference between Helena and Grand Junction?
There is no time difference between Helena and Grand Junction.
Flight carbon footprint between Helena Regional Airport (HLN) and Grand Junction Regional Airport (GJT)
On average, flying from Helena to Grand Junction generates about 105 kg of CO2 per passenger, and 105 kilograms equals 232 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 Grand Junction
See the map of the shortest flight path between Helena Regional Airport (HLN) and Grand Junction Regional Airport (GJT).
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 | Grand Junction Regional Airport |
|---|---|
| City: | Grand Junction, CO |
| Country: | United States |
| IATA Code: | GJT |
| ICAO Code: | KGJT |
| Coordinates: | 39°7′20″N, 108°31′37″W |