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How far is Great Falls, MT, from Philadelphia, PA?

The distance between Philadelphia (Philadelphia International Airport) and Great Falls (Great Falls International Airport) is 1866 miles / 3003 kilometers / 1622 nautical miles.

The driving distance from Philadelphia (PHL) to Great Falls (GTF) is 2145 miles / 3452 kilometers, and travel time by car is about 39 hours 28 minutes.

Philadelphia International Airport – Great Falls International Airport

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1866
Miles
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3003
Kilometers
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1622
Nautical miles

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Distance from Philadelphia to Great Falls

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

Vincenty's formula (applied above)
  • 1866.265 miles
  • 3003.463 kilometers
  • 1621.740 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
  • 1861.731 miles
  • 2996.165 kilometers
  • 1617.800 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 Philadelphia to Great Falls?

The estimated flight time from Philadelphia International Airport to Great Falls International Airport is 4 hours and 2 minutes.

Flight carbon footprint between Philadelphia International Airport (PHL) and Great Falls International Airport (GTF)

On average, flying from Philadelphia to Great Falls generates about 205 kg of CO2 per passenger, and 205 kilograms equals 453 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″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