Air Miles Calculator

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

Distance from Haneda Airport to Seattle–Tacoma International Airport is 4804 miles / 7730 kilometers / 4174 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Tokyo
Seattle

Tokyo

 JST

Seattle, WA

 PST

Airport information


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

B 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

Map

Flight map from Tokyo to Seattle.

Frequent Flyer Miles Calculator

Tokyo (HND) → Seattle (SEA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
4804
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4804

Round trip?