Air Miles Calculator

Distance between Seattle, WA (SEA) and Yamagata (GAJ)

Distance from Seattle to Yamagata (Seattle–Tacoma International Airport – Yamagata Airport) is 4643 miles / 7473 kilometers / 4035 nautical miles.

How far is Yamagata from Seattle?

There are several ways to calculate distances between Seattle and Yamagata. Here are two common methods:

Vincenty's formula (applied above)
  • 4643.496 miles
  • 7472.983 kilometers
  • 4035.088 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
  • 4631.579 miles
  • 7453.804 kilometers
  • 4024.732 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).

Flight duration

Estimated flight time from Seattle–Tacoma International Airport (SEA) to Yamagata Airport (GAJ) is 9 hours 17 minutes.

Time difference and current local times

The time difference between Seattle and Yamagata is 17 hours. Yamagata is 17 hours ahead of Seattle.

Time Difference

Seattle
Yamagata

Seattle, WA

 PST

Yamagata

 JST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 545 kg (1 201 pounds).

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 Yamagata Airport
City: Yamagata
Country: Japan Flag of Japan
IATA Code: GAJ
ICAO Code: RJSC
Coordinates: 38°24′42″N, 140°22′15″E

Map

Seattle to Yamagata flight map.

Frequent Flyer Miles Calculator

Seattle (SEA) → Yamagata (GAJ).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
4643
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4643

Round trip?