# Distance from Algiers (ALG) to Siem Reap (REP)

> 10,038 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,038 km / 6,237 mi / 5,420 nm
- **Estimated flight time**: 13h
- **Heading**: 73° (east northeast)
- **Return heading**: 308° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Algeria) → Cambodia
- **Intercontinental**: Africa → Asia
- **Time difference**: +6h (When it's 23:37 in Algiers, it's 05:37 in Siem Reap)
- **Elevation difference**: 22 ft (REP is lower than ALG)

## Airports

### [Houari Boumediene Airport (ALG)](https://www.flightduration.online/airport/alg-algiers-houari-boumediene-airport/1ef266de-b53b-6ce8-aaed-06bb2780ed98)

- City: Algiers, Algeria
- ICAO: DAAG
- Timezone: Africa/Algiers
- Coordinates: 36.690000, 3.220000
- Elevation: 82 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 23:37 in Algiers, it's 05:37 in Siem Reap.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Houari Boumediene Airport (ALG)](https://www.flightduration.online/airport/alg-algiers-houari-boumediene-airport/1ef266de-b53b-6ce8-aaed-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)