How far is Helena, MT, from Greensboro, NC?
The distance between Greensboro (Greensboro Piedmont Triad International Airport) and Helena (Helena Regional Airport) is 1801 miles / 2899 kilometers / 1565 nautical miles.
The driving distance from Greensboro (GSO) to Helena (HLN) is 2185 miles / 3517 kilometers, and travel time by car is about 39 hours 46 minutes.
Greensboro Piedmont Triad International Airport – Helena Regional Airport
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Distance from Greensboro to Helena
There are several ways to calculate the distance from Greensboro to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1801.326 miles
- 2898.954 kilometers
- 1565.310 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- 1797.800 miles
- 2893.279 kilometers
- 1562.246 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 Greensboro to Helena?
The estimated flight time from Greensboro Piedmont Triad International Airport to Helena Regional Airport is 3 hours and 54 minutes.
What is the time difference between Greensboro and Helena?
The time difference between Greensboro and Helena is 2 hours. Helena is 2 hours behind Greensboro.
Flight carbon footprint between Greensboro Piedmont Triad International Airport (GSO) and Helena Regional Airport (HLN)
On average, flying from Greensboro to Helena generates about 200 kg of CO2 per passenger, and 200 kilograms equals 441 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Greensboro to Helena
See the map of the shortest flight path between Greensboro Piedmont Triad International Airport (GSO) and Helena Regional Airport (HLN).
Airport information
| Origin | Greensboro Piedmont Triad International Airport |
|---|---|
| City: | Greensboro, NC |
| Country: | United States  |
| IATA Code: | GSO |
| ICAO Code: | KGSO |
| Coordinates: | 36°5′52″N, 79°56′14″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 |