How far is Philadelphia from Seattle?
There are several ways to calculate distances between Seattle and Philadelphia. 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).
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Philadelphia International Airport (PHL) is 5 hours 0 minutes.
Time difference and current local times
The time difference between Seattle and Philadelphia is 3 hours. Philadelphia is 3 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 265 kg (585 pounds).
Seattle to Philadelphia flight path
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Philadelphia International Airport (PHL).
Frequent Flyer Miles Calculator
Seattle (SEA) → Philadelphia (PHL).