# Distance from Guangzhou (CAN) to Cahokia/St Louis (CPS)

> 12,704 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,704 km / 7,894 mi / 6,860 nm
- **Estimated flight time**: 16h
- **Heading**: 20° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (China) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 20:00 in Guangzhou, it's 07:00 in Cahokia/St Louis)
- **Elevation difference**: 363 ft (CPS is higher than CAN)

## Airports

### [Guangzhou Baiyun International Airport (CAN)](https://www.flightduration.online/airport/can-guangzhou-guangzhou-baiyun-international-airport/1ef266e0-1e75-6adc-8880-06bb2780ed98)

- City: Guangzhou, China
- ICAO: ZGGG
- Timezone: Asia/Shanghai
- Coordinates: 23.390000, 113.300000
- Elevation: 50 ft

### [St Louis Downtown Airport (CPS)](https://www.flightduration.online/airport/cps-cahokiast-louis-st-louis-downtown-airport/1ef266df-14d9-6b50-a477-06bb2780ed98)

- City: Cahokia/St Louis, United States
- ICAO: KCPS
- Timezone: America/Chicago
- Coordinates: 38.570000, -90.160000
- Elevation: 413 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 20:00 in Guangzhou, it's 07:00 in Cahokia/St Louis.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Guangzhou Baiyun International Airport (CAN)](https://www.flightduration.online/airport/can-guangzhou-guangzhou-baiyun-international-airport/1ef266e0-1e75-6adc-8880-06bb2780ed98)
- [St Louis Downtown Airport (CPS)](https://www.flightduration.online/airport/cps-cahokiast-louis-st-louis-downtown-airport/1ef266df-14d9-6b50-a477-06bb2780ed98)
- [Flight duration calculator](/#calculator)