Distance between Seattle, WA (SEA) and Kōchi (KCZ)
Distance from Seattle to Kōchi (Seattle–Tacoma International Airport – Kōchi Airport) is 5146 miles / 8282 kilometers / 4472 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Seattle - Kōchi
How far is Kōchi from Seattle?
There are several ways to calculate distances between Seattle and Kōchi. Here are two common 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 earth.
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).
Flight duration
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Kōchi Airport (KCZ) is 10 hours 14 minutes.
Time difference and current local times
The time difference between Seattle and Kōchi is 16 hours. Kōchi is 16 hours ahead of Seattle.
Time Difference
Seattle, WA
Kōchi
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 611 kg (1 346 pounds).
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 | Kōchi Airport |
|---|---|
| City: | Kōchi |
| Country: | Japan  |
| IATA Code: | KCZ |
| ICAO Code: | RJOK |
| Coordinates: | 33°32′45″N, 133°40′8″E |
Seattle to Kōchi flight path
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Kōchi Airport (KCZ).
Frequent Flyer Miles Calculator
Seattle (SEA) → Kōchi (KCZ).
In total
Round trip?