How far is Kōchi from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Kōchi (Kōchi Airport) is 5146 miles / 8282 kilometers / 4472 nautical miles.

Distance from Seattle to Kōchi

There are several ways to calculate the distance from Seattle to Kōchi. Here are two standard methods:

Vincenty's formula (applied above)

• 5145.936 miles
• 8281.581 kilometers
• 4471.696 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 5133.919 miles
• 8262.242 kilometers
• 4461.254 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).

How long does it take to fly from Seattle to Kōchi?

The estimated flight time from Seattle–Tacoma International Airport to Kōchi Airport is 10 hours and 14 minutes.

What is the time difference between Seattle and Kōchi?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Kōchi Airport (KCZ)

On average, flying from Seattle to Kōchi generates about 603 kg of CO2 per passenger, and 603 kilograms equals 1 329 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Kōchi

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Kōchi Airport (KCZ).

Airport information

Origin	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

Destination	Kōchi Airport
City:	Kōchi
Country:	Japan
IATA Code:	KCZ
ICAO Code:	RJOK
Coordinates:	33°32′45″N, 133°40′8″E