# Distance from Sibolga-Sumatra Island (FLZ) to Seattle (SEA)

> 13,260 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,260 km / 8,239 mi / 7,160 nm
- **Estimated flight time**: 17h
- **Heading**: 31° (north northeast)
- **Return heading**: 311° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 01:29 in Sibolga-Sumatra Island, it's 11:29 in Seattle)
- **Elevation difference**: 389 ft (SEA is higher than FLZ)

## Airports

### [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://flightduration.online/airport/flz-sibolga-sumatra-island-dr-ferdinand-lumban-tobing-airport/1ef266df-fd7a-69b8-bc4a-06bb2780ed98)

- City: Sibolga-Sumatra Island, Indonesia
- ICAO: WIMS
- Timezone: Asia/Jakarta
- Coordinates: 1.560000, 98.890000
- Elevation: 43 ft

### [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

## 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 01:29 in Sibolga-Sumatra Island, it's 11:29 in Seattle.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://flightduration.online/airport/flz-sibolga-sumatra-island-dr-ferdinand-lumban-tobing-airport/1ef266df-fd7a-69b8-bc4a-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)