Air Miles Calculator

Distance between Seattle, WA (BFI) and Islip, NY (ISP)

Flight distance from Seattle to Islip (Seattle Boeing Field – Long Island MacArthur Airport) is 2447 miles / 3938 kilometers / 2126 nautical miles. Estimated flight time is 5 hours 7 minutes.

Driving distance from Seattle (BFI) to Islip (ISP) is 2950 miles / 4748 kilometers and travel time by car is about 48 hours 52 minutes.

Map of flight path and driving directions from Seattle to Islip.

Shortest flight path between Seattle Boeing Field (BFI) and Long Island MacArthur Airport (ISP).

How far is Islip from Seattle?

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

Vincenty's formula (applied above)
  • 2446.817 miles
  • 3937.770 kilometers
  • 2126.225 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
  • 2440.428 miles
  • 3927.488 kilometers
  • 2120.674 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 Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

Time difference and current local times

The time difference between Seattle and Islip is 3 hours. Islip is 3 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Islip, NY

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 269 kg (593 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Islip (ISP).

Distance:
2447
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2447

Round trip?