How far is Helena, MT, from McGrath, AK?
The distance between McGrath (McGrath Airport) and Helena (Helena Regional Airport) is 2020 miles / 3250 kilometers / 1755 nautical miles.
The driving distance from McGrath (MCG) to Helena (HLN) is 2579 miles / 4151 kilometers, and travel time by car is about 52 hours 13 minutes.
McGrath Airport – Helena Regional Airport
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Distance from McGrath to Helena
There are several ways to calculate the distance from McGrath to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2019.538 miles
- 3250.132 kilometers
- 1754.931 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- 2014.254 miles
- 3241.627 kilometers
- 1750.338 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 McGrath to Helena?
The estimated flight time from McGrath Airport to Helena Regional Airport is 4 hours and 19 minutes.
What is the time difference between McGrath and Helena?
The time difference between McGrath and Helena is 2 hours. Helena is 2 hours ahead of McGrath.
Flight carbon footprint between McGrath Airport (MCG) and Helena Regional Airport (HLN)
On average, flying from McGrath to Helena generates about 220 kg of CO2 per passenger, and 220 kilograms equals 485 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from McGrath to Helena
See the map of the shortest flight path between McGrath Airport (MCG) and Helena Regional Airport (HLN).
Airport information
| Origin | McGrath Airport |
|---|---|
| City: | McGrath, AK |
| Country: | United States  |
| IATA Code: | MCG |
| ICAO Code: | PAMC |
| Coordinates: | 62°57′10″N, 155°36′21″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 |