How far is Seattle from Tokyo?
There are several ways to calculate distances between Tokyo and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 4803.504 miles
- 7730.490 kilometers
- 4174.130 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
- 4791.822 miles
- 7711.690 kilometers
- 4163.980 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 Haneda Airport (HND) to Seattle–Tacoma International Airport (SEA) is 9 hours 35 minutes.
Time difference and current local times
The time difference between Tokyo and Seattle is 17 hours. Seattle is 17 hours behind Tokyo.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 566 kg (1 247 pounds).
Tokyo to Seattle flight map.
Frequent Flyer Miles Calculator
Tokyo (HND) → Seattle (SEA).