How far is Portsmouth, NH, from Islip, NY?
The distance between Islip (Long Island MacArthur Airport) and Portsmouth (Portsmouth International Airport at Pease) is 196 miles / 316 kilometers / 171 nautical miles.
The driving distance from Islip (ISP) to Portsmouth (PSM) is 242 miles / 389 kilometers, and travel time by car is about 6 hours 2 minutes.
Long Island MacArthur Airport – Portsmouth International Airport at Pease
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Distance from Islip to Portsmouth
There are several ways to calculate the distance from Islip to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 196.419 miles
- 316.106 kilometers
- 170.684 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- 196.376 miles
- 316.037 kilometers
- 170.646 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 Portsmouth?
The estimated flight time from Long Island MacArthur Airport to Portsmouth International Airport at Pease is 52 minutes.
What is the time difference between Islip and Portsmouth?
Flight carbon footprint between Long Island MacArthur Airport (ISP) and Portsmouth International Airport at Pease (PSM)
On average, flying from Islip to Portsmouth generates about 54 kg of CO2 per passenger, and 54 kilograms equals 119 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 Portsmouth
See the map of the shortest flight path between Long Island MacArthur Airport (ISP) and Portsmouth International Airport at Pease (PSM).
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 | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |