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

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

The driving distance from Washington D.C. (DCA) to Islip (ISP) is 284 miles / 457 kilometers, and travel time by car is about 5 hours 55 minutes.

Ronald Reagan Washington National Airport – Long Island MacArthur 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 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)
  • 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 Washington D.C. to Islip?

The estimated flight time from Ronald Reagan Washington National Airport to Long Island MacArthur Airport is 58 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 Ronald Reagan Washington National Airport (DCA) and Long Island MacArthur Airport (ISP)

On average, flying from Washington D.C. to Islip 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 Washington D.C. to Islip

See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Long Island MacArthur Airport (ISP).

Airport information

Origin 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
Destination 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

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

American Airlines