# Distance from Castries (SLU) to Shenzhen (SZX)

> 15,900 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,900 km / 9,879 mi / 8,585 nm
- **Estimated flight time**: 20h
- **Heading**: 8° (north)
- **Return heading**: 352° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Saint Lucia) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 06:17 in Castries, it's 18:17 in Shenzhen)
- **Elevation difference**: 9 ft (SZX is lower than SLU)

## Airports

### [George F. L. Charles Airport (SLU)](https://www.flightduration.online/airport/slu-castries-george-f-l-charles-airport/1ef266df-e048-6ec6-bfdb-06bb2780ed98)

- City: Castries, Saint Lucia
- ICAO: TLPC
- Timezone: America/St_Lucia
- Coordinates: 14.020000, -60.990000
- Elevation: 22 ft

### [Shenzhen Bao'an International Airport (SZX)](https://www.flightduration.online/airport/szx-shenzhen-shenzhen-baoan-international-airport/1ef266e0-1ea0-675a-a1fd-06bb2780ed98)

- City: Shenzhen, China
- ICAO: ZGSZ
- Timezone: Asia/Shanghai
- Coordinates: 22.640000, 113.810000
- Elevation: 13 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 06:17 in Castries, it's 18:17 in Shenzhen.
With a 12-hour time difference, expect significant jet lag.

## Related

- [George F. L. Charles Airport (SLU)](https://www.flightduration.online/airport/slu-castries-george-f-l-charles-airport/1ef266df-e048-6ec6-bfdb-06bb2780ed98)
- [Shenzhen Bao'an International Airport (SZX)](https://www.flightduration.online/airport/szx-shenzhen-shenzhen-baoan-international-airport/1ef266e0-1ea0-675a-a1fd-06bb2780ed98)
- [Flight duration calculator](/#calculator)