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

The distance between Great Falls (Great Falls International Airport) and Skagway (Skagway Airport) is 1277 miles / 2055 kilometers / 1109 nautical miles.

The driving distance from Great Falls (GTF) to Skagway (SGY) is 1760 miles / 2833 kilometers, and travel time by car is about 34 hours 50 minutes.

Great Falls International Airport – Skagway Airport

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1277
Miles
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2055
Kilometers
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1109
Nautical miles

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Distance from Great Falls to Skagway

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

Vincenty's formula (applied above)
  • 1276.768 miles
  • 2054.758 kilometers
  • 1109.481 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
  • 1273.881 miles
  • 2050.113 kilometers
  • 1106.972 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 Skagway?

The estimated flight time from Great Falls International Airport to Skagway Airport is 2 hours and 55 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Skagway Airport (SGY)

On average, flying from Great Falls to Skagway generates about 165 kg of CO2 per passenger, and 165 kilograms equals 365 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Skagway

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

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W
Destination Skagway Airport
City: Skagway, AK
Country: United States Flag of United States
IATA Code: SGY
ICAO Code: PAGY
Coordinates: 59°27′36″N, 135°18′57″W