# Distance from St Louis (STL) to Zhaotong (ZAT)

> 12,522 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,522 km / 7,781 mi / 6,761 nm
- **Estimated flight time**: 16h
- **Heading**: 346° (north northwest)
- **Return heading**: 12° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 07:41 in St Louis, it's 20:41 in Zhaotong)
- **Elevation difference**: 617 ft (ZAT is lower than STL)

## Airports

### [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 ft

### [Zhaotong Airport (ZAT)](https://flightduration.online/airport/zat-zhaotong-zhaotong-airport/1ef266e0-1fc1-6c6a-a227-06bb2780ed98)

- City: Zhaotong, China
- ICAO: ZPZT
- Timezone: Asia/Shanghai
- Coordinates: 27.330000, 103.750000
- Elevation: 0 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 07:41 in St Louis, it's 20:41 in Zhaotong.
With a 13-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Zhaotong Airport (ZAT)](https://flightduration.online/airport/zat-zhaotong-zhaotong-airport/1ef266e0-1fc1-6c6a-a227-06bb2780ed98)
- [Flight duration calculator](/#calculator)