# Distance from Seattle (SEA) to Saumlaki-Yamdena Island (SXK)

> 11,890 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,890 km / 7,388 mi / 6,420 nm
- **Estimated flight time**: 15h
- **Heading**: 277° (west)
- **Return heading**: 43° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Indonesia
- **Intercontinental**: North America → Asia
- **Time difference**: +16h (When it's 06:56 in Seattle, it's 22:56 in Saumlaki-Yamdena Island)
- **Elevation difference**: 214 ft (SXK is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://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

### [Saumlaki Airport (SXK)](https://flightduration.online/airport/sxk-saumlaki-yamdena-island-saumlaki-airport/1ef266df-fa4e-644c-b2b6-06bb2780ed98)

- City: Saumlaki-Yamdena Island, Indonesia
- ICAO: WAPI
- Timezone: Asia/Jayapura
- Coordinates: -7.990000, 131.310000
- Elevation: 218 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 06:56 in Seattle, it's 22:56 in Saumlaki-Yamdena Island.
With a 16-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Saumlaki Airport (SXK)](https://flightduration.online/airport/sxk-saumlaki-yamdena-island-saumlaki-airport/1ef266df-fa4e-644c-b2b6-06bb2780ed98)
- [Flight duration calculator](/#calculator)