Calculations with different methods
- 2401.518 miles
- 3864.868 kilometers
- 2086.862 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
- 2395.274 miles
- 3854.819 kilometers
- 2081.436 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Newark Liberty International Airport (EWR) to Seattle–Tacoma International Airport (SEA) is 5 hours 2 minutes.
Time difference and current local times
The time difference between Newark and Seattle is 3 hours. Seattle is 3 hours behind Newark.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 282 kg (622 pounds).
Newark to Seattle flight map.
Frequent Flyer Miles Calculator
Newark (EWR) → Seattle (SEA).