# Distance between Watertown, NY (ART) and Islip, NY (ISP)

Flight distance from Watertown to Islip (Watertown International Airport – Long Island MacArthur Airport) is 266 miles / 429 kilometers / 232 nautical miles. Estimated flight time is 1 hour 0 minutes.

Driving distance from Watertown (ART) to Islip (ISP) is 380 miles / 612 kilometers and travel time by car is about 7 hours 6 minutes.

## Map of flight path and driving directions from Watertown to Islip.

Shortest flight path between Watertown International Airport (ART) and Long Island MacArthur Airport (ISP).

## How far is Islip from Watertown?

There are several ways to calculate distances between Watertown and Islip. Here are two common methods:

Vincenty's formula (applied above)
• 266.464 miles
• 428.833 kilometers
• 231.551 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 266.431 miles
• 428.780 kilometers
• 231.523 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).

## Airport information

A Watertown International Airport
City: Watertown, NY
Country: United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″W

B 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

## Time difference and current local times

There is no time difference between Watertown and Islip.

EDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 64 kg (142 pounds).

## Frequent Flyer Miles Calculator

Watertown (ART) → Islip (ISP).

Distance:
266
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
266

Round trip?