# Distance from Karratha (KTA) to Seattle (SEA)

> 13,993 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,993 km / 8,695 mi / 7,556 nm
- **Estimated flight time**: 17h
- **Heading**: 46° (northeast)
- **Return heading**: 278° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15h (When it's 10:26 in Karratha, it's 19:26 in Seattle)
- **Elevation difference**: 403 ft (SEA is higher than KTA)

## Airports

### [Karratha Airport (KTA)](https://www.flightduration.online/airport/kta-karratha-karratha-airport/1ef266e0-16f1-618a-91be-06bb2780ed98)

- City: Karratha, Australia
- ICAO: YPKA
- Timezone: Australia/Perth
- Coordinates: -20.710000, 116.770000
- Elevation: 29 ft

### [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

## 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 10:26 in Karratha, it's 19:26 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Karratha Airport (KTA)](https://www.flightduration.online/airport/kta-karratha-karratha-airport/1ef266e0-16f1-618a-91be-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)