Air Miles Calculator

Distance between Philadelphia, PA (PHL) and Seattle, WA (SEA)

Distance from Philadelphia to Seattle (Philadelphia International Airport – Seattle–Tacoma International Airport) is 2378 miles / 3827 kilometers / 2067 nautical miles.

How far is Seattle from Philadelphia?

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

Vincenty's formula (applied above)
  • 2378.215 miles
  • 3827.365 kilometers
  • 2066.612 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
  • 2372.183 miles
  • 3817.659 kilometers
  • 2061.371 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 Philadelphia International Airport (PHL) to Seattle–Tacoma International Airport (SEA) is 5 hours 0 minutes.

Time difference and current local times

The time difference between Philadelphia and Seattle is 3 hours. Seattle is 3 hours behind Philadelphia.

Time Difference

Philadelphia
Seattle

Philadelphia, PA

 EDT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 265 kg (585 pounds).

Airport information


A Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″W

B Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Philadelphia to Seattle flight path

Shortest flight path between Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA).

Frequent Flyer Miles Calculator

Philadelphia (PHL) → Seattle (SEA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2378
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2378

Round trip?