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How far is Washington D.C. from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 1817 miles / 2924 kilometers / 1579 nautical miles.

The driving distance from Great Falls (GTF) to Washington D.C. (DCA) is 2083 miles / 3352 kilometers, and travel time by car is about 38 hours 18 minutes.

Great Falls International Airport – Ronald Reagan Washington National Airport

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1817
Miles
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2924
Kilometers
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1579
Nautical miles

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Distance from Great Falls to Washington D.C.

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

Vincenty's formula (applied above)
  • 1816.910 miles
  • 2924.034 kilometers
  • 1578.852 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
  • 1812.744 miles
  • 2917.328 kilometers
  • 1575.231 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 Washington D.C.?

The estimated flight time from Great Falls International Airport to Ronald Reagan Washington National Airport is 3 hours and 56 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Ronald Reagan Washington National Airport (DCA)

On average, flying from Great Falls to Washington D.C. generates about 201 kg of CO2 per passenger, and 201 kilograms equals 444 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 Washington D.C.

See the map of the shortest flight path between Great Falls International Airport (GTF) and Ronald Reagan Washington National Airport (DCA).

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 Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W