# Distance from Chiang Rai (CEI) to Sydney (SYD)

> 8,087 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,087 km / 5,025 mi / 4,366 nm
- **Estimated flight time**: 11h
- **Heading**: 137° (southeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (Thailand) → Australia
- **Intercontinental**: Asia → Oceania
- **Time difference**: +3h (When it's 06:40 in Chiang Rai, it's 09:40 in Sydney)
- **Elevation difference**: 1,259 ft (SYD 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

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 06:40 in Chiang Rai, it's 09:40 in Sydney.
The 3-hour time difference may cause some 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)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)