# Distance from Las Vegas (LAS) to Siem Reap (REP)

> 13,159 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,159 km / 8,177 mi / 7,105 nm
- **Estimated flight time**: 16h
- **Heading**: 316° (northwest)
- **Return heading**: 35° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Cambodia
- **Intercontinental**: North America → Asia
- **Time difference**: +14h (When it's 21:09 in Las Vegas, it's 11:09 in Siem Reap)
- **Elevation difference**: 2,121 ft (REP is lower than LAS)

## Airports

### [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-06bb2780ed98)

- City: Las Vegas, United States
- ICAO: KLAS
- Timezone: America/Los_Angeles
- Coordinates: 36.080000, -115.150000
- Elevation: 2,181 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 21:09 in Las Vegas, it's 11:09 in Siem Reap.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Harry Reid International Airport (LAS)](https://www.flightduration.online/airport/las-las-vegas-harry-reid-international-airport/1ef266df-26e1-6280-853b-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)