How far is Greensboro, NC, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Greensboro (Greensboro Piedmont Triad International Airport) is 1801 miles / 2899 kilometers / 1565 nautical miles.
The driving distance from Helena (HLN) to Greensboro (GSO) is 2167 miles / 3487 kilometers, and travel time by car is about 39 hours 53 minutes.
Helena Regional Airport – Greensboro Piedmont Triad International Airport
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Distance from Helena to Greensboro
There are several ways to calculate the distance from Helena to Greensboro. 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 Helena to Greensboro?
The estimated flight time from Helena Regional Airport to Greensboro Piedmont Triad International Airport is 3 hours and 54 minutes.
What is the time difference between Helena and Greensboro?
The time difference between Helena and Greensboro is 2 hours. Greensboro is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Greensboro Piedmont Triad International Airport (GSO)
On average, flying from Helena to Greensboro 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 Helena to Greensboro
See the map of the shortest flight path between Helena Regional Airport (HLN) and Greensboro Piedmont Triad International Airport (GSO).
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 | 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 |