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How far is Washington D.C. from Islip, NY?

The distance between Islip (Long Island MacArthur Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 249 miles / 400 kilometers / 216 nautical miles.

The driving distance from Islip (ISP) to Washington D.C. (DCA) is 285 miles / 459 kilometers, and travel time by car is about 5 hours 58 minutes.

Long Island MacArthur Airport – Ronald Reagan Washington National Airport

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249
Miles
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400
Kilometers
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216
Nautical miles

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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)
  • 248.650 miles
  • 400.164 kilometers
  • 216.071 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
  • 248.318 miles
  • 399.630 kilometers
  • 215.783 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 Ronald Reagan Washington National Airport is 58 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 Ronald Reagan Washington National Airport (DCA)

On average, flying from Islip to Washington D.C. generates about 62 kg of CO2 per passenger, and 62 kilograms equals 136 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 Ronald Reagan Washington National Airport (DCA).

Airport information

Origin Long Island MacArthur Airport
City: Islip, NY
Country: United States Flag of United States
IATA Code: ISP
ICAO Code: KISP
Coordinates: 40°47′42″N, 73°6′0″W
Destination Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

Airlines flying from Islip (ISP) to Washington D.C. (DCA)

American Airlines