How far is Islip, NY, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Islip (Long Island MacArthur Airport) is 1968 miles / 3166 kilometers / 1710 nautical miles.
The driving distance from Helena (HLN) to Islip (ISP) is 2313 miles / 3722 kilometers, and travel time by car is about 41 hours 52 minutes.
Helena Regional Airport – Long Island MacArthur Airport
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Distance from Helena to Islip
There are several ways to calculate the distance from Helena to Islip. Here are two standard methods:
Vincenty's formula (applied above)- 1967.506 miles
- 3166.395 kilometers
- 1709.716 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- 1962.459 miles
- 3158.272 kilometers
- 1705.331 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 Helena to Islip?
The estimated flight time from Helena Regional Airport to Long Island MacArthur Airport is 4 hours and 13 minutes.
What is the time difference between Helena and Islip?
The time difference between Helena and Islip is 2 hours. Islip is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Long Island MacArthur Airport (ISP)
On average, flying from Helena to Islip generates about 215 kg of CO2 per passenger, and 215 kilograms equals 473 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Islip
See the map of the shortest flight path between Helena Regional Airport (HLN) and Long Island MacArthur Airport (ISP).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″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 |