How far is Gulfport, MS, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Gulfport (Gulfport–Biloxi International Airport) is 1659 miles / 2670 kilometers / 1442 nautical miles.
The driving distance from Helena (HLN) to Gulfport (GPT) is 2096 miles / 3373 kilometers, and travel time by car is about 37 hours 46 minutes.
Helena Regional Airport – Gulfport–Biloxi International Airport
Search flights
Distance from Helena to Gulfport
There are several ways to calculate the distance from Helena to Gulfport. Here are two standard methods:
Vincenty's formula (applied above)- 1659.139 miles
- 2670.125 kilometers
- 1441.752 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- 1658.234 miles
- 2668.669 kilometers
- 1440.966 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 Gulfport?
The estimated flight time from Helena Regional Airport to Gulfport–Biloxi International Airport is 3 hours and 38 minutes.
What is the time difference between Helena and Gulfport?
The time difference between Helena and Gulfport is 1 hour. Gulfport is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Gulfport–Biloxi International Airport (GPT)
On average, flying from Helena to Gulfport generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 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 Gulfport
See the map of the shortest flight path between Helena Regional Airport (HLN) and Gulfport–Biloxi International Airport (GPT).
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 | Gulfport–Biloxi International Airport |
|---|---|
| City: | Gulfport, MS |
| Country: | United States |
| IATA Code: | GPT |
| ICAO Code: | KGPT |
| Coordinates: | 30°24′26″N, 89°4′12″W |