# Distance from Chengdu (CTU) to San Antonio Oeste (OES)

> 18,511 km · estimated flight time 23h · Ultra-long-haul route.

## Summary

- **Distance**: 18,511 km / 11,502 mi / 9,995 nm
- **Estimated flight time**: 23h
- **Heading**: 218° (southwest)
- **Return heading**: 135° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → Argentina
- **Intercontinental**: Asia → South America
- **Time difference**: -11h (When it's 05:29 in Chengdu, it's 18:29 in San Antonio Oeste)
- **Elevation difference**: 1,540 ft (OES is lower than CTU)

## Airports

### [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)

- City: Chengdu, China
- ICAO: ZUUU
- Timezone: Asia/Shanghai
- Coordinates: 30.580000, 103.950000
- Elevation: 1,625 ft

### [Antoine De St Exupery Airport (OES)](https://www.flightduration.online/airport/oes-san-antonio-oeste-antoine-de-st-exupery-airport/1ef266df-92c1-6d92-93c8-06bb2780ed98)

- City: San Antonio Oeste, Argentina
- ICAO: SAVN
- Timezone: America/Argentina/Salta
- Coordinates: -40.750000, -65.030000
- Elevation: 85 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 05:29 in Chengdu, it's 18:29 in San Antonio Oeste.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Chengdu Shuangliu International Airport (CTU)](https://www.flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [Antoine De St Exupery Airport (OES)](https://www.flightduration.online/airport/oes-san-antonio-oeste-antoine-de-st-exupery-airport/1ef266df-92c1-6d92-93c8-06bb2780ed98)
- [Flight duration calculator](/#calculator)