Calculations with different methods
- 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).
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Haneda Airport (HND) is 9 hours 35 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 594 kg (1 310 pounds).
Seattle to Tokyo flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Tokyo (HND).