# Distance from Buenos Aires (AEP) to Changhai (CNI)

> 19,482 km · estimated flight time 24h · Ultra-long-haul route.

## Summary

- **Distance**: 19,482 km / 12,106 mi / 10,520 nm
- **Estimated flight time**: 24h
- **Heading**: 350° (north)
- **Return heading**: 11° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → China
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 22:48 in Buenos Aires, it's 09:48 in Changhai)
- **Elevation difference**: 62 ft (CNI 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

### [Changhai Airport (CNI)](https://www.flightduration.online/airport/cni-changhai-changhai-airport/1ef266e0-212c-6a28-92ef-06bb2780ed98)

- City: Changhai, China
- ICAO: ZYCH
- Timezone: Asia/Shanghai
- Coordinates: 39.270000, 122.670000
- Elevation: 80 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 22:48 in Buenos Aires, it's 09:48 in Changhai.
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)
- [Changhai Airport (CNI)](https://www.flightduration.online/airport/cni-changhai-changhai-airport/1ef266e0-212c-6a28-92ef-06bb2780ed98)
- [Flight duration calculator](/#calculator)