How far is Washington D.C. from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Washington D.C. (Washington Dulles International Airport) is 1794 miles / 2888 kilometers / 1559 nautical miles.
The driving distance from Great Falls (GTF) to Washington D.C. (IAD) is 2075 miles / 3339 kilometers, and travel time by car is about 38 hours 7 minutes.
Great Falls International Airport – Washington Dulles International Airport
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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)- 1794.238 miles
- 2887.547 kilometers
- 1559.151 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- 1790.120 miles
- 2880.919 kilometers
- 1555.572 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 Washington Dulles International Airport is 3 hours and 53 minutes.
What is the time difference between Great Falls and Washington D.C.?
Flight carbon footprint between Great Falls International Airport (GTF) and Washington Dulles International Airport (IAD)
On average, flying from Great Falls to Washington D.C. generates about 200 kg of CO2 per passenger, and 200 kilograms equals 440 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 Washington Dulles International Airport (IAD).
Airport information
| Origin | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States  |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |