# Distance from Buenos Aires (AEP) to Xi'an (SIA)

> 18,873 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,873 km / 11,727 mi / 10,191 nm
- **Estimated flight time**: 23h
- **Heading**: 87° (east)
- **Return heading**: 265° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → China
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 00:36 in Buenos Aires, it's 11:36 in Xi'an)
- **Elevation difference**: 18 ft (SIA is lower 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

### [Xiguan Airport (SIA)](https://www.flightduration.online/airport/sia-xian-xiguan-airport/1ef266e0-1f2f-6338-8e46-06bb2780ed98)

- City: Xi'an, China
- ICAO: ZLSN
- Timezone: Asia/Shanghai
- Coordinates: 34.380000, 109.120000
- Elevation: 0 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 00:36 in Buenos Aires, it's 11:36 in Xi'an.
With a 11-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)
- [Xiguan Airport (SIA)](https://www.flightduration.online/airport/sia-xian-xiguan-airport/1ef266e0-1f2f-6338-8e46-06bb2780ed98)
- [Flight duration calculator](/#calculator)