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How far is St. Paul Island, AK, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and St. Paul Island (St. Paul Island Airport) is 2496 miles / 4017 kilometers / 2169 nautical miles.

Great Falls International Airport – St. Paul Island Airport

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2496
Miles
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4017
Kilometers
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2169
Nautical miles

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Distance from Great Falls to St. Paul Island

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

Vincenty's formula (applied above)
  • 2495.976 miles
  • 4016.883 kilometers
  • 2168.943 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
  • 2488.440 miles
  • 4004.756 kilometers
  • 2162.395 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 St. Paul Island?

The estimated flight time from Great Falls International Airport to St. Paul Island Airport is 5 hours and 13 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and St. Paul Island Airport (SNP)

On average, flying from Great Falls to St. Paul Island generates about 275 kg of CO2 per passenger, and 275 kilograms equals 606 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Great Falls to St. Paul Island

See the map of the shortest flight path between Great Falls International Airport (GTF) and St. Paul Island Airport (SNP).

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 St. Paul Island Airport
City: St. Paul Island, AK
Country: United States Flag of United States
IATA Code: SNP
ICAO Code: PASN
Coordinates: 57°9′58″N, 170°13′21″W