# Distance from Shenzhen (SZX) to Union Island (UNI)

> 16,062 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,062 km / 9,981 mi / 8,673 nm
- **Estimated flight time**: 20h
- **Heading**: 352° (north)
- **Return heading**: 8° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → Saint Vincent
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 09:41 in Shenzhen, it's 21:41 in Union Island)
- **Elevation difference**: 3 ft (UNI is higher than SZX)

## Airports

### [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

### [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)

- City: Union Island, Saint Vincent
- ICAO: TVSU
- Timezone: America/St_Vincent
- Coordinates: 12.600000, -61.410000
- Elevation: 16 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 09:41 in Shenzhen, it's 21:41 in Union Island.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Shenzhen Bao'an International Airport (SZX)](https://www.flightduration.online/airport/szx-shenzhen-shenzhen-baoan-international-airport/1ef266e0-1ea0-675a-a1fd-06bb2780ed98)
- [Union Island International Airport (UNI)](https://www.flightduration.online/airport/uni-union-island-union-island-international-airport/1ef266df-e292-6308-afea-06bb2780ed98)
- [Flight duration calculator](/#calculator)