# Distance from Khon Kaen (KKC) to Seattle (SEA)

> 11,611 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,611 km / 7,214 mi / 6,269 nm
- **Estimated flight time**: 15h
- **Heading**: 30° (north northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 19:01 in Khon Kaen, it's 05:01 in Seattle)
- **Elevation difference**: 238 ft (SEA is lower than KKC)

## Airports

### [Khon Kaen Airport (KKC)](https://flightduration.online/airport/kkc-khon-kaen-khon-kaen-airport/1ef266df-f5ca-60a6-acec-06bb2780ed98)

- City: Khon Kaen, Thailand
- ICAO: VTUK
- Timezone: Asia/Bangkok
- Coordinates: 16.470000, 102.780000
- Elevation: 670 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 19:01 in Khon Kaen, it's 05:01 in Seattle.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Khon Kaen Airport (KKC)](https://flightduration.online/airport/kkc-khon-kaen-khon-kaen-airport/1ef266df-f5ca-60a6-acec-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)