# Distance from Seattle (SEA) to Parapat-Sumatra Island (SIW)

> 13,151 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,151 km / 8,172 mi / 7,101 nm
- **Estimated flight time**: 16h
- **Heading**: 312° (northwest)
- **Return heading**: 30° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Indonesia
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 21:39 in Seattle, it's 11:39 in Parapat-Sumatra Island)
- **Elevation difference**: 2,649 ft (SIW is higher 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

### [Parapat Airport (SIW)](https://www.flightduration.online/airport/siw-parapat-sumatra-island-parapat-airport/1ef266df-fd72-6db2-b9aa-06bb2780ed98)

- City: Parapat-Sumatra Island, Indonesia
- ICAO: WIMP
- Timezone: Asia/Jakarta
- Coordinates: 2.670000, 98.930000
- Elevation: 3,081 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 21:39 in Seattle, it's 11:39 in Parapat-Sumatra Island.
With a 14-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)
- [Parapat Airport (SIW)](https://www.flightduration.online/airport/siw-parapat-sumatra-island-parapat-airport/1ef266df-fd72-6db2-b9aa-06bb2780ed98)
- [Flight duration calculator](/#calculator)