How far is Great Falls, MT, from Aniak, AK?

The distance between Aniak (Aniak Airport) and Great Falls (Great Falls International Airport) is 2105 miles / 3387 kilometers / 1829 nautical miles.

Distance from Aniak to Great Falls

There are several ways to calculate the distance from Aniak to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)

• 2104.627 miles
• 3387.070 kilometers
• 1828.871 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

• 2098.682 miles
• 3377.501 kilometers
• 1823.705 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 Aniak to Great Falls?

The estimated flight time from Aniak Airport to Great Falls International Airport is 4 hours and 29 minutes.

What is the time difference between Aniak and Great Falls?

The time difference between Aniak and Great Falls is 2 hours. Great Falls is 2 hours ahead of Aniak.

Flight carbon footprint between Aniak Airport (ANI) and Great Falls International Airport (GTF)

On average, flying from Aniak to Great Falls generates about 229 kg of CO2 per passenger, and 229 kilograms equals 506 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Aniak to Great Falls

See the map of the shortest flight path between Aniak Airport (ANI) and Great Falls International Airport (GTF).

Airport information

Origin	Aniak Airport
City:	Aniak, AK
Country:	United States
IATA Code:	ANI
ICAO Code:	PANI
Coordinates:	61°34′53″N, 159°32′34″W

Destination	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W