# Distance from Chumphon Airport (CJM) to Seattle (SEA)

> 12,350 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,350 km / 7,674 mi / 6,668 nm
- **Estimated flight time**: 16h
- **Heading**: 29° (north northeast)
- **Return heading**: 316° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 08:54 in Chumphon Airport, it's 18:54 in Seattle)
- **Elevation difference**: 414 ft (SEA is higher than CJM)

## Airports

### [Chumphon Airport (CJM)](https://www.flightduration.online/airport/cjm-chumphon-airport/1ef266df-f58e-6344-a9d1-06bb2780ed98)

- City: Chumphon Airport, Thailand
- ICAO: VTSE
- Timezone: Asia/Bangkok
- Coordinates: 10.710000, 99.360000
- Elevation: 18 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 08:54 in Chumphon Airport, it's 18:54 in Seattle.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Chumphon Airport (CJM)](https://www.flightduration.online/airport/cjm-chumphon-airport/1ef266df-f58e-6344-a9d1-06bb2780ed98)
- [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)