# Distance from Austin (AUS) to Siem Reap (REP)

> 14,649 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,649 km / 9,102 mi / 7,910 nm
- **Estimated flight time**: 18h
- **Heading**: 331° (north northwest)
- **Return heading**: 25° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Cambodia
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 22:39 in Austin, it's 10:39 in Siem Reap)
- **Elevation difference**: 482 ft (REP is lower than AUS)

## Airports

### [Austin-Bergstrom International Airport (AUS)](https://www.flightduration.online/airport/aus-austin-austin-bergstrom-international-airport/1ef266df-0f36-6446-a422-06bb2780ed98)

- City: Austin, United States
- ICAO: KAUS
- Timezone: America/Chicago
- Coordinates: 30.190000, -97.670000
- Elevation: 542 ft

### [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSR
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.410000, 103.810000
- Elevation: 60 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 22:39 in Austin, it's 10:39 in Siem Reap.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Austin-Bergstrom International Airport (AUS)](https://www.flightduration.online/airport/aus-austin-austin-bergstrom-international-airport/1ef266df-0f36-6446-a422-06bb2780ed98)
- [Angkor International Airport (REP)](https://www.flightduration.online/airport/rep-siem-reap-angkor-international-airport/1ef266df-efb8-691a-a780-06bb2780ed98)
- [Flight duration calculator](/#calculator)