How far is Islip, NY, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Islip (Long Island MacArthur Airport) is 264 miles / 425 kilometers / 230 nautical miles.
The driving distance from Washington D.C. (IAD) to Islip (ISP) is 303 miles / 488 kilometers, and travel time by car is about 6 hours 14 minutes.
Washington Dulles International Airport – Long Island MacArthur Airport
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Distance from Washington D.C. to Islip
There are several ways to calculate the distance from Washington D.C. to Islip. Here are two standard methods:
Vincenty's formula (applied above)- 264.376 miles
- 425.472 kilometers
- 229.736 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- 263.961 miles
- 424.805 kilometers
- 229.376 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 Washington D.C. to Islip?
The estimated flight time from Washington Dulles International Airport to Long Island MacArthur Airport is 1 hour and 0 minutes.
What is the time difference between Washington D.C. and Islip?
There is no time difference between Washington D.C. and Islip.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Long Island MacArthur Airport (ISP)
On average, flying from Washington D.C. to Islip generates about 64 kg of CO2 per passenger, and 64 kilograms equals 141 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Islip
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Long Island MacArthur Airport (ISP).
Airport information
| Origin | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″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 |