How far is Washington D.C. from Islip, NY?
The distance between Islip (Long Island MacArthur Airport) and Washington D.C. (Washington Dulles International Airport) is 264 miles / 425 kilometers / 230 nautical miles.
The driving distance from Islip (ISP) to Washington D.C. (IAD) is 303 miles / 487 kilometers, and travel time by car is about 6 hours 16 minutes.
Long Island MacArthur Airport – Washington Dulles International Airport
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Distance from Islip to Washington D.C.
There are several ways to calculate the distance from Islip to Washington D.C.. 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 Islip to Washington D.C.?
The estimated flight time from Long Island MacArthur Airport to Washington Dulles International Airport is 1 hour and 0 minutes.
What is the time difference between Islip and Washington D.C.?
There is no time difference between Islip and Washington D.C..
Flight carbon footprint between Long Island MacArthur Airport (ISP) and Washington Dulles International Airport (IAD)
On average, flying from Islip to Washington D.C. 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 Islip to Washington D.C.
See the map of the shortest flight path between Long Island MacArthur Airport (ISP) and Washington Dulles International Airport (IAD).
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 | 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 |