How far is McGrath, AK, from Helena, MT?

The distance between Helena (Helena Regional Airport) and McGrath (McGrath Airport) is 2020 miles / 3250 kilometers / 1755 nautical miles.

The driving distance from Helena (HLN) to McGrath (MCG) is 2574 miles / 4142 kilometers, and travel time by car is about 52 hours 9 minutes.

Distance from Helena to McGrath

There are several ways to calculate the distance from Helena to McGrath. 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 Helena to McGrath?

The estimated flight time from Helena Regional Airport to McGrath Airport is 4 hours and 19 minutes.

What is the time difference between Helena and McGrath?

The time difference between Helena and McGrath is 2 hours. McGrath is 2 hours behind Helena.

Flight carbon footprint between Helena Regional Airport (HLN) and McGrath Airport (MCG)

On average, flying from Helena to McGrath 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 Helena to McGrath

See the map of the shortest flight path between Helena Regional Airport (HLN) and McGrath Airport (MCG).

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	McGrath Airport
City:	McGrath, AK
Country:	United States
IATA Code:	MCG
ICAO Code:	PAMC
Coordinates:	62°57′10″N, 155°36′21″W