# Distance from Buenos Aires (AEP) to Sihanukville (KOS)

> 16,787 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,787 km / 10,431 mi / 9,064 nm
- **Estimated flight time**: 21h
- **Heading**: 141° (southeast)
- **Return heading**: 212° (south southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → Cambodia
- **Intercontinental**: South America → Asia
- **Time difference**: +10h (When it's 23:23 in Buenos Aires, it's 09:23 in Sihanukville)
- **Elevation difference**: 15 ft (KOS is higher than AEP)

## Airports

### [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)

- City: Buenos Aires, Argentina
- ICAO: SABE
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -34.560000, -58.420000
- Elevation: 18 ft

### [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)

- City: Sihanukville, Cambodia
- ICAO: VDSV
- Timezone: Asia/Phnom_Penh
- Coordinates: 10.580000, 103.640000
- Elevation: 33 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 23:23 in Buenos Aires, it's 09:23 in Sihanukville.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)
- [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)
- [Flight duration calculator](/#calculator)