# Distance from Sigiriya (GIU) to Seattle (SEA)

> 13,449 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,449 km / 8,357 mi / 7,262 nm
- **Estimated flight time**: 17h
- **Heading**: 18° (north northeast)
- **Return heading**: 333° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Sri Lanka) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.5h (When it's 15:29 in Sigiriya, it's 02:59 in Seattle)
- **Elevation difference**: 198 ft (SEA is lower than GIU)

## Airports

### [Sigiriya Airport (GIU)](https://www.flightduration.online/airport/giu-sigiriya-sigiriya-airport/1ef266df-ef7f-6ade-b839-06bb2780ed98)

- City: Sigiriya, Sri Lanka
- ICAO: VCCS
- Timezone: Asia/Colombo
- Coordinates: 7.960000, 80.730000
- Elevation: 630 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 15:29 in Sigiriya, it's 02:59 in Seattle.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Sigiriya Airport (GIU)](https://www.flightduration.online/airport/giu-sigiriya-sigiriya-airport/1ef266df-ef7f-6ade-b839-06bb2780ed98)
- [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)