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How far is Port Angeles, WA, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Port Angeles (William R. Fairchild International Airport) is 566 miles / 910 kilometers / 492 nautical miles.

The driving distance from Great Falls (GTF) to Port Angeles (CLM) is 734 miles / 1181 kilometers, and travel time by car is about 14 hours 45 minutes.

Great Falls International Airport – William R. Fairchild International Airport

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566
Miles
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910
Kilometers
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492
Nautical miles

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Distance from Great Falls to Port Angeles

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

Vincenty's formula (applied above)
  • 565.708 miles
  • 910.419 kilometers
  • 491.587 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
  • 564.048 miles
  • 907.747 kilometers
  • 490.144 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 Port Angeles?

The estimated flight time from Great Falls International Airport to William R. Fairchild International Airport is 1 hour and 34 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and William R. Fairchild International Airport (CLM)

On average, flying from Great Falls to Port Angeles generates about 108 kg of CO2 per passenger, and 108 kilograms equals 239 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 Port Angeles

See the map of the shortest flight path between Great Falls International Airport (GTF) and William R. Fairchild International Airport (CLM).

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 William R. Fairchild International Airport
City: Port Angeles, WA
Country: United States Flag of United States
IATA Code: CLM
ICAO Code: KCLM
Coordinates: 48°7′12″N, 123°30′0″W