How far is Great Falls, MT, from Westerly, RI?
The distance between Westerly (Westerly State Airport) and Great Falls (Great Falls International Airport) is 1981 miles / 3188 kilometers / 1721 nautical miles.
The driving distance from Westerly (WST) to Great Falls (GTF) is 2314 miles / 3724 kilometers, and travel time by car is about 42 hours 56 minutes.
Westerly State Airport – Great Falls International Airport
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Distance from Westerly to Great Falls
There are several ways to calculate the distance from Westerly to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1980.792 miles
- 3187.776 kilometers
- 1721.261 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- 1975.650 miles
- 3179.501 kilometers
- 1716.793 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 Westerly to Great Falls?
The estimated flight time from Westerly State Airport to Great Falls International Airport is 4 hours and 15 minutes.
What is the time difference between Westerly and Great Falls?
Flight carbon footprint between Westerly State Airport (WST) and Great Falls International Airport (GTF)
On average, flying from Westerly to Great Falls generates about 216 kg of CO2 per passenger, and 216 kilograms equals 476 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Westerly to Great Falls
See the map of the shortest flight path between Westerly State Airport (WST) and Great Falls International Airport (GTF).
Airport information
| Origin | Westerly State Airport |
|---|---|
| City: | Westerly, RI |
| Country: | United States  |
| IATA Code: | WST |
| ICAO Code: | KWST |
| Coordinates: | 41°20′58″N, 71°48′12″W |
| Destination | 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 |