Air Miles Calculator

Distance between Seattle, WA (BFI) and Williamsport, PA (IPT)

Distance from Seattle to Williamsport (Boeing Field – Williamsport Regional Airport) is 2255 miles / 3629 kilometers / 1960 nautical miles.

How far is Williamsport from Seattle?

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

Vincenty's formula (applied above)
  • 2255.184 miles
  • 3629.367 kilometers
  • 1959.701 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
  • 2249.269 miles
  • 3619.848 kilometers
  • 1954.561 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to Williamsport Regional Airport (IPT) is 4 hours 46 minutes.

Time difference and current local times

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

Time Difference

Seattle
Williamsport

Seattle, WA

 PDT

Williamsport, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 251 kg (553 pounds).

Airport information


A 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 Williamsport Regional Airport
City: Williamsport, PA
Country: United States Flag of United States
IATA Code: IPT
ICAO Code: KIPT
Coordinates: 41°14′30″N, 76°55′15″W

Seattle to Williamsport flight path

Shortest flight path between Boeing Field (BFI) and Williamsport Regional Airport (IPT).

Frequent Flyer Miles Calculator

Seattle (BFI) → Williamsport (IPT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2255
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2255

Round trip?