# Distance from Seattle (SEA) to Sukhothai Airport (THS)

> 11,688 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,688 km / 7,262 mi / 6,311 nm
- **Estimated flight time**: 15h
- **Heading**: 318° (northwest)
- **Return heading**: 28° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 06:01 in Seattle, it's 20:01 in Sukhothai Airport)
- **Elevation difference**: 253 ft (THS is lower 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

### [Sukhothai Airport (THS)](https://www.flightduration.online/airport/ths-sukhothai-airport/1ef266df-f568-6f2c-9e77-06bb2780ed98)

- City: Sukhothai Airport, Thailand
- ICAO: VTPO
- Timezone: Asia/Bangkok
- Coordinates: 17.240000, 99.820000
- Elevation: 179 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 06:01 in Seattle, it's 20:01 in Sukhothai Airport.
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)
- [Sukhothai Airport (THS)](https://www.flightduration.online/airport/ths-sukhothai-airport/1ef266df-f568-6f2c-9e77-06bb2780ed98)
- [Flight duration calculator](/#calculator)