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How far is Eastsound, WA, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Eastsound (Orcas Island Airport) is 540 miles / 869 kilometers / 469 nautical miles.

The driving distance from Great Falls (GTF) to Eastsound (ESD) is 745 miles / 1199 kilometers, and travel time by car is about 14 hours 59 minutes.

Great Falls International Airport – Orcas Island Airport

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540
Miles
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869
Kilometers
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469
Nautical miles

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Distance from Great Falls to Eastsound

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

Vincenty's formula (applied above)
  • 540.215 miles
  • 869.393 kilometers
  • 469.434 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
  • 538.650 miles
  • 866.874 kilometers
  • 468.074 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 Eastsound?

The estimated flight time from Great Falls International Airport to Orcas Island Airport is 1 hour and 31 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Orcas Island Airport (ESD)

On average, flying from Great Falls to Eastsound generates about 105 kg of CO2 per passenger, and 105 kilograms equals 230 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 Eastsound

See the map of the shortest flight path between Great Falls International Airport (GTF) and Orcas Island Airport (ESD).

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 Orcas Island Airport
City: Eastsound, WA
Country: United States Flag of United States
IATA Code: ESD
ICAO Code: KORS
Coordinates: 48°42′29″N, 122°54′36″W