# Distance between Seattle, WA (SEA) and Okayama (OKJ)

Flight distance from Seattle to Okayama (Seattle–Tacoma International Airport – Okayama Airport) is 5078 miles / 8172 kilometers / 4412 nautical miles. Estimated flight time is 10 hours 6 minutes.

## Map of flight path from Seattle to Okayama.

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Okayama Airport (OKJ).

## How far is Okayama from Seattle?

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

Vincenty's formula (applied above)
• 5077.742 miles
• 8171.833 kilometers
• 4412.437 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
• 5065.583 miles
• 8152.266 kilometers
• 4401.871 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
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

B Okayama Airport
City: Okayama
Country: Japan
IATA Code: OKJ
ICAO Code: RJOB
Coordinates: 34°45′24″N, 133°51′17″E

## Time difference and current local times

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

PST

JST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 594 kg (1 309 pounds).

## Frequent Flyer Miles Calculator

Seattle (SEA) → Okayama (OKJ).

Distance:
5078
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
5078

Round trip?