How far is Great Falls, MT, from Islip, NY?
The distance between Islip (Long Island MacArthur Airport) and Great Falls (Great Falls International Airport) is 1937 miles / 3117 kilometers / 1683 nautical miles.
The driving distance from Islip (ISP) to Great Falls (GTF) is 2233 miles / 3594 kilometers, and travel time by car is about 41 hours 8 minutes.
Long Island MacArthur Airport – Great Falls International Airport
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Distance from Islip to Great Falls
There are several ways to calculate the distance from Islip to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1937.034 miles
- 3117.353 kilometers
- 1683.236 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- 1932.115 miles
- 3109.437 kilometers
- 1678.962 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 Islip to Great Falls?
The estimated flight time from Long Island MacArthur Airport to Great Falls International Airport is 4 hours and 10 minutes.
What is the time difference between Islip and Great Falls?
The time difference between Islip and Great Falls is 2 hours. Great Falls is 2 hours behind Islip.
Flight carbon footprint between Long Island MacArthur Airport (ISP) and Great Falls International Airport (GTF)
On average, flying from Islip to Great Falls generates about 212 kg of CO2 per passenger, and 212 kilograms equals 467 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Islip to Great Falls
See the map of the shortest flight path between Long Island MacArthur Airport (ISP) and Great Falls International Airport (GTF).
Airport information
| Origin | Long Island MacArthur Airport |
|---|---|
| City: | Islip, NY |
| Country: | United States  |
| IATA Code: | ISP |
| ICAO Code: | KISP |
| Coordinates: | 40°47′42″N, 73°6′0″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 |