# Distance from Chengdu (CTU) to St Marys (STQ)

> 12,006 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,006 km / 7,460 mi / 6,483 nm
- **Estimated flight time**: 15h
- **Heading**: 2° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 05:50 in Chengdu, it's 17:50 in St Marys)
- **Elevation difference**: 309 ft (STQ is higher than CTU)

## Airports

### [Chengdu Shuangliu International Airport (CTU)](https://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

### [St Marys Municipal Airport (STQ)](https://flightduration.online/airport/stq-st-marys-st-marys-municipal-airport/1ef266df-31a7-60e8-a173-06bb2780ed98)

- City: St Marys, United States
- ICAO: KOYM
- Timezone: America/New_York
- Coordinates: 41.410000, -78.500000
- Elevation: 1,934 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 05:50 in Chengdu, it's 17:50 in St Marys.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Chengdu Shuangliu International Airport (CTU)](https://flightduration.online/airport/ctu-chengdu-chengdu-shuangliu-international-airport/1ef266e0-20d1-6f24-8403-06bb2780ed98)
- [St Marys Municipal Airport (STQ)](https://flightduration.online/airport/stq-st-marys-st-marys-municipal-airport/1ef266df-31a7-60e8-a173-06bb2780ed98)
- [Flight duration calculator](/#calculator)