How far is Tokyo from Seattle?
There are several ways to calculate distances between Seattle and Tokyo. Here are two common methods:Vincenty's formula (applied above)
- 4768.836 miles
- 7674.697 kilometers
- 4144.005 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
- 4757.191 miles
- 7655.956 kilometers
- 4133.886 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 Narita International Airport (NRT) is 9 hours 31 minutes.
Time difference and current local times
The time difference between Seattle and Tokyo is 17 hours. Tokyo is 17 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 589 kg (1 299 pounds).
Seattle to Tokyo flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Tokyo (NRT).