How far is Longview, TX, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Longview (East Texas Regional Airport) is 1341 miles / 2159 kilometers / 1166 nautical miles.
The driving distance from Helena (HLN) to Longview (GGG) is 1713 miles / 2757 kilometers, and travel time by car is about 30 hours 28 minutes.
Helena Regional Airport – East Texas Regional Airport
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Distance from Helena to Longview
There are several ways to calculate the distance from Helena to Longview. Here are two standard methods:
Vincenty's formula (applied above)- 1341.269 miles
- 2158.564 kilometers
- 1165.531 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- 1340.831 miles
- 2157.858 kilometers
- 1165.150 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 Longview?
The estimated flight time from Helena Regional Airport to East Texas Regional Airport is 3 hours and 2 minutes.
What is the time difference between Helena and Longview?
The time difference between Helena and Longview is 1 hour. Longview is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and East Texas Regional Airport (GGG)
On average, flying from Helena to Longview generates about 169 kg of CO2 per passenger, and 169 kilograms equals 374 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 Longview
See the map of the shortest flight path between Helena Regional Airport (HLN) and East Texas Regional Airport (GGG).
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 | East Texas Regional Airport |
|---|---|
| City: | Longview, TX |
| Country: | United States |
| IATA Code: | GGG |
| ICAO Code: | KGGG |
| Coordinates: | 32°23′2″N, 94°42′41″W |