Air Miles Calculator

Distance between Seattle, WA (SEA) and Tokyo (HND)

Flight distance from Seattle to Tokyo (Seattle–Tacoma International Airport – Haneda Airport) is 4804 miles / 7730 kilometers / 4174 nautical miles. Estimated flight time is 9 hours 35 minutes.

Map of flight path from Seattle to Tokyo.

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Haneda Airport (HND).

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)
  • 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).

Airport information


A Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

B Haneda Airport
City: Tokyo
Country: Japan Flag of Japan
IATA Code: HND
ICAO Code: RJTT
Coordinates: 35°33′8″N, 139°46′47″E

Time difference and current local times

The time difference between Seattle and Tokyo is 16 hours. Tokyo is 16 hours ahead of Seattle.

Time Difference

Seattle, WA

 PDT

Tokyo

 JST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 558 kg (1 231 pounds).

Frequent Flyer Miles Calculator

Seattle (SEA) → Tokyo (HND).

Distance:
4804
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4804

Round trip?