# Distance from Derim (DER) to Seattle (SEA)

> 10,554 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,554 km / 6,558 mi / 5,698 nm
- **Estimated flight time**: 13h
- **Heading**: 43° (northeast)
- **Return heading**: 266° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Papua New Guinea) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 06:18 in Derim, it's 13:18 in Seattle)
- **Elevation difference**: 4,418 ft (SEA is lower than DER)

## Airports

### [Derim Airport (DER)](https://www.flightduration.online/airport/der-derim-derim-airport/1ef266de-9b16-6b10-8bb6-06bb2780ed98)

- City: Derim, Papua New Guinea
- ICAO: AYDE
- Timezone: Pacific/Port_Moresby
- Coordinates: -6.140000, 147.110000
- Elevation: 4,850 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 06:18 in Derim, it's 13:18 in Seattle.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Derim Airport (DER)](https://www.flightduration.online/airport/der-derim-derim-airport/1ef266de-9b16-6b10-8bb6-06bb2780ed98)
- [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)