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

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

The driving distance from Port Angeles (CLM) to Great Falls (GTF) is 733 miles / 1179 kilometers, and travel time by car is about 14 hours 41 minutes.

William R. Fairchild International Airport – Great Falls 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 Port Angeles to Great Falls

There are several ways to calculate the distance from Port Angeles to Great Falls. 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 Port Angeles to Great Falls?

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

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

On average, flying from Port Angeles to Great Falls 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 Port Angeles to Great Falls

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

Airport information

Origin 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
Destination 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