How far is Watertown, SD, from Islip, NY?

The distance between Islip (Long Island MacArthur Airport) and Watertown (Watertown Regional Airport) is 1249 miles / 2011 kilometers / 1086 nautical miles.

The driving distance from Islip (ISP) to Watertown (ATY) is 1522 miles / 2449 kilometers, and travel time by car is about 27 hours 56 minutes.

Distance from Islip to Watertown

There are several ways to calculate the distance from Islip to Watertown. Here are two standard methods:

Vincenty's formula (applied above)

• 1249.294 miles
• 2010.543 kilometers
• 1085.607 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

• 1246.199 miles
• 2005.564 kilometers
• 1082.918 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 Watertown?

The estimated flight time from Long Island MacArthur Airport to Watertown Regional Airport is 2 hours and 51 minutes.

What is the time difference between Islip and Watertown?

The time difference between Islip and Watertown is 1 hour. Watertown is 1 hour behind Islip.

Flight carbon footprint between Long Island MacArthur Airport (ISP) and Watertown Regional Airport (ATY)

On average, flying from Islip to Watertown generates about 164 kg of CO2 per passenger, and 164 kilograms equals 361 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 Watertown

See the map of the shortest flight path between Long Island MacArthur Airport (ISP) and Watertown Regional Airport (ATY).

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	Watertown Regional Airport
City:	Watertown, SD
Country:	United States
IATA Code:	ATY
ICAO Code:	KATY
Coordinates:	44°54′50″N, 97°9′16″W