# Distance from Seattle (SEA) to Tokunoshima (TKN)

> 9,040 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,040 km / 5,617 mi / 4,881 nm
- **Estimated flight time**: 12h
- **Heading**: 302° (west northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Japan
- **Intercontinental**: North America → Asia
- **Time difference**: +16h (When it's 21:27 in Seattle, it's 13:27 in Tokunoshima)
- **Elevation difference**: 415 ft (TKN is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [Tokunoshima Airport (TKN)](https://www.flightduration.online/airport/tkn-tokunoshima-tokunoshima-airport/1ef266df-8c05-6b66-befd-06bb2780ed98)

- City: Tokunoshima, Japan
- ICAO: RJKN
- Timezone: Asia/Tokyo
- Coordinates: 27.840000, 128.880000
- Elevation: 17 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 21:27 in Seattle, it's 13:27 in Tokunoshima.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Tokunoshima Airport (TKN)](https://www.flightduration.online/airport/tkn-tokunoshima-tokunoshima-airport/1ef266df-8c05-6b66-befd-06bb2780ed98)
- [Flight duration calculator](/#calculator)