# Distance from Shenzhen (SZX) to Boulder (WBU)

> 11,957 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,957 km / 7,430 mi / 6,456 nm
- **Estimated flight time**: 15h
- **Heading**: 30° (north northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 21:00 in Shenzhen, it's 07:00 in Boulder)
- **Elevation difference**: 5,275 ft (WBU is higher than SZX)

## Airports

### [Shenzhen Bao'an International Airport (SZX)](https://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

### [Boulder Municipal Airport (WBU)](https://flightduration.online/airport/wbu-boulder-boulder-municipal-airport/1ef266df-1024-68d0-9f40-06bb2780ed98)

- City: Boulder, United States
- ICAO: KBDU
- Timezone: America/Denver
- Coordinates: 40.040000, -105.230000
- Elevation: 5,288 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 21:00 in Shenzhen, it's 07:00 in Boulder.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Shenzhen Bao'an International Airport (SZX)](https://flightduration.online/airport/szx-shenzhen-shenzhen-baoan-international-airport/1ef266e0-1ea0-675a-a1fd-06bb2780ed98)
- [Boulder Municipal Airport (WBU)](https://flightduration.online/airport/wbu-boulder-boulder-municipal-airport/1ef266df-1024-68d0-9f40-06bb2780ed98)
- [Flight duration calculator](/#calculator)