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

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

The driving distance from Watertown (ATY) to Islip (ISP) is 1520 miles / 2447 kilometers, and travel time by car is about 27 hours 44 minutes.

Distance from Watertown to Islip

There are several ways to calculate the distance from Watertown to Islip. 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 Watertown to Islip?

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

What is the time difference between Watertown and Islip?

The time difference between Watertown and Islip is 1 hour. Islip is 1 hour ahead of Watertown.

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

On average, flying from Watertown to Islip 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 Watertown to Islip

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

Airport information

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