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How far is Seattle, WA, from Philadelphia, PA?

The distance between Philadelphia (Philadelphia International Airport) and Seattle (Seattle–Tacoma International Airport) is 2378 miles / 3827 kilometers / 2067 nautical miles.

The driving distance from Philadelphia (PHL) to Seattle (SEA) is 2810 miles / 4523 kilometers, and travel time by car is about 50 hours 31 minutes.

Philadelphia International Airport – Seattle–Tacoma International Airport

Distance arrow
2378
Miles
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3827
Kilometers
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2067
Nautical miles

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Distance from Philadelphia to Seattle

There are several ways to calculate the distance from Philadelphia to Seattle. Here are two standard 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 planet.

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).

How long does it take to fly from Philadelphia to Seattle?

The estimated flight time from Philadelphia International Airport to Seattle–Tacoma International Airport is 5 hours and 0 minutes.

Flight carbon footprint between Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA)

On average, flying from Philadelphia to Seattle generates about 261 kg of CO2 per passenger, and 261 kilograms equals 575 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Philadelphia to Seattle

See the map of the shortest flight path between Philadelphia International Airport (PHL) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin 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
Destination 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

Airlines flying from Philadelphia (PHL) to Seattle (SEA)

Alaska Airlines
American Airlines