# Distance from Chiang Rai (CEI) to Portland (PDX)

> 11,561 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,561 km / 7,184 mi / 6,242 nm
- **Estimated flight time**: 15h
- **Heading**: 29° (north northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 12:52 in Chiang Rai, it's 22:52 in Portland)
- **Elevation difference**: 1,249 ft (PDX is lower than CEI)

## Airports

### [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)

- City: Chiang Rai, Thailand
- ICAO: VTCT
- Timezone: Asia/Bangkok
- Coordinates: 19.950000, 99.880000
- Elevation: 1,280 ft

### [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 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 12:52 in Chiang Rai, it's 22:52 in Portland.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)
- [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [Flight duration calculator](/#calculator)