How far is Islip, NY, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Islip (Long Island MacArthur Airport) is 1937 miles / 3117 kilometers / 1683 nautical miles.
The driving distance from Great Falls (GTF) to Islip (ISP) is 2233 miles / 3593 kilometers, and travel time by car is about 40 hours 54 minutes.
Great Falls International Airport – Long Island MacArthur Airport
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Distance from Great Falls to Islip
There are several ways to calculate the distance from Great Falls to Islip. 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 Great Falls to Islip?
The estimated flight time from Great Falls International Airport to Long Island MacArthur Airport is 4 hours and 10 minutes.
What is the time difference between Great Falls and Islip?
The time difference between Great Falls and Islip is 2 hours. Islip is 2 hours ahead of Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Long Island MacArthur Airport (ISP)
On average, flying from Great Falls to Islip 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 Great Falls to Islip
See the map of the shortest flight path between Great Falls International Airport (GTF) and Long Island MacArthur Airport (ISP).
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 | 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 |