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

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

Distance from Great Falls to Aniak

There are several ways to calculate the distance from Great Falls to Aniak. 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 Great Falls to Aniak?

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

What is the time difference between Great Falls and Aniak?

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

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

On average, flying from Great Falls to Aniak 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 Great Falls to Aniak

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

Airport information

Origin	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

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