How far is Helena, MT, from Gillette, WY?
The distance between Gillette (Gillette–Campbell County Airport) and Helena (Helena Regional Airport) is 350 miles / 563 kilometers / 304 nautical miles.
The driving distance from Gillette (GCC) to Helena (HLN) is 474 miles / 763 kilometers, and travel time by car is about 8 hours 16 minutes.
Gillette–Campbell County Airport – Helena Regional Airport
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Distance from Gillette to Helena
There are several ways to calculate the distance from Gillette to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 349.609 miles
- 562.641 kilometers
- 303.802 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- 348.854 miles
- 561.426 kilometers
- 303.146 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 Gillette to Helena?
The estimated flight time from Gillette–Campbell County Airport to Helena Regional Airport is 1 hour and 9 minutes.
What is the time difference between Gillette and Helena?
Flight carbon footprint between Gillette–Campbell County Airport (GCC) and Helena Regional Airport (HLN)
On average, flying from Gillette to Helena generates about 76 kg of CO2 per passenger, and 76 kilograms equals 169 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Gillette to Helena
See the map of the shortest flight path between Gillette–Campbell County Airport (GCC) and Helena Regional Airport (HLN).
Airport information
| Origin | Gillette–Campbell County Airport |
|---|---|
| City: | Gillette, WY |
| Country: | United States  |
| IATA Code: | GCC |
| ICAO Code: | KGCC |
| Coordinates: | 44°20′56″N, 105°32′20″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 |