# Distance from Johannesburg (JNB) to Siem Reap (SAI)

> 9,307 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,307 km / 5,783 mi / 5,025 nm
- **Estimated flight time**: 12h
- **Heading**: 72° (east northeast)
- **Return heading**: 241° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Africa) → Cambodia
- **Intercontinental**: Africa → Asia
- **Time difference**: +5h (When it's 19:54 in Johannesburg, it's 00:54 in Siem Reap)
- **Elevation difference**: 5,367 ft (SAI is lower than JNB)

## Airports

### [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)

- City: Johannesburg, South Africa
- ICAO: FAOR
- Timezone: Africa/Johannesburg
- Coordinates: -26.130000, 28.240000
- Elevation: 5,558 ft

### [Siem Reap Angkor International Airport (SAI)](https://www.flightduration.online/airport/sai-siem-reap-siem-reap-angkor-international-airport/1ef266df-efb4-65c2-940b-06bb2780ed98)

- City: Siem Reap, Cambodia
- ICAO: VDSA
- Timezone: Asia/Phnom_Penh
- Coordinates: 13.370000, 104.220000
- Elevation: 191 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 19:54 in Johannesburg, it's 00:54 in Siem Reap.
The 5-hour time difference may cause some jet lag.

## Related

- [O. R. Tambo International Airport (JNB)](https://www.flightduration.online/airport/jnb-johannesburg-o-r-tambo-international-airport/1ef266de-d3b0-6ec6-b1f2-06bb2780ed98)
- [Siem Reap Angkor International Airport (SAI)](https://www.flightduration.online/airport/sai-siem-reap-siem-reap-angkor-international-airport/1ef266df-efb4-65c2-940b-06bb2780ed98)
- [Flight duration calculator](/#calculator)