How far is Great Falls, MT, from St Michael, AK?

The distance between St Michael (St. Michael Airport) and Great Falls (Great Falls International Airport) is 2199 miles / 3539 kilometers / 1911 nautical miles.

Distance from St Michael to Great Falls

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

Vincenty's formula (applied above)

• 2198.994 miles
• 3538.937 kilometers
• 1910.873 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

• 2192.819 miles
• 3529.001 kilometers
• 1905.508 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 St Michael to Great Falls?

The estimated flight time from St. Michael Airport to Great Falls International Airport is 4 hours and 39 minutes.

What is the time difference between St Michael and Great Falls?

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

Flight carbon footprint between St. Michael Airport (SMK) and Great Falls International Airport (GTF)

On average, flying from St Michael to Great Falls generates about 240 kg of CO2 per passenger, and 240 kilograms equals 530 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from St Michael to Great Falls

See the map of the shortest flight path between St. Michael Airport (SMK) and Great Falls International Airport (GTF).

Airport information

Origin	St. Michael Airport
City:	St Michael, AK
Country:	United States
IATA Code:	SMK
ICAO Code:	PAMK
Coordinates:	63°29′24″N, 162°6′36″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