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

The distance between Great Falls (Great Falls International Airport) and Harrisburg (Harrisburg International Airport) is 1785 miles / 2872 kilometers / 1551 nautical miles.

The driving distance from Great Falls (GTF) to Harrisburg (MDT) is 2048 miles / 3296 kilometers, and travel time by car is about 37 hours 20 minutes.

Great Falls International Airport – Harrisburg International Airport

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1785
Miles
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2872
Kilometers
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1551
Nautical miles

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Distance from Great Falls to Harrisburg

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

Vincenty's formula (applied above)
  • 1784.614 miles
  • 2872.058 kilometers
  • 1550.787 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
  • 1780.260 miles
  • 2865.050 kilometers
  • 1547.003 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 Harrisburg?

The estimated flight time from Great Falls International Airport to Harrisburg International Airport is 3 hours and 52 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Harrisburg International Airport (MDT)

On average, flying from Great Falls to Harrisburg generates about 199 kg of CO2 per passenger, and 199 kilograms equals 438 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 Harrisburg

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

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 Harrisburg International Airport
City: Harrisburg, PA
Country: United States Flag of United States
IATA Code: MDT
ICAO Code: KMDT
Coordinates: 40°11′36″N, 76°45′48″W