How far is Helena, MT, from Longview, TX?
The distance between Longview (East Texas Regional Airport) and Helena (Helena Regional Airport) is 1341 miles / 2159 kilometers / 1166 nautical miles.
The driving distance from Longview (GGG) to Helena (HLN) is 1695 miles / 2728 kilometers, and travel time by car is about 29 hours 54 minutes.
East Texas Regional Airport – Helena Regional Airport
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Distance from Longview to Helena
There are several ways to calculate the distance from Longview to Helena. 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 Longview to Helena?
The estimated flight time from East Texas Regional Airport to Helena Regional Airport is 3 hours and 2 minutes.
What is the time difference between Longview and Helena?
The time difference between Longview and Helena is 1 hour. Helena is 1 hour behind Longview.
Flight carbon footprint between East Texas Regional Airport (GGG) and Helena Regional Airport (HLN)
On average, flying from Longview to Helena 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 Longview to Helena
See the map of the shortest flight path between East Texas Regional Airport (GGG) and Helena Regional Airport (HLN).
Airport information
| Origin | 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 |
| 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 |