# Distance from Columbus (CMH) to Shenzhen (SZX)

> 12,838 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,838 km / 7,977 mi / 6,932 nm
- **Estimated flight time**: 16h
- **Heading**: 343° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 03:22 in Columbus, it's 15:22 in Shenzhen)
- **Elevation difference**: 802 ft (SZX is lower than CMH)

## Airports

### [John Glenn Columbus International Airport (CMH)](https://www.flightduration.online/airport/cmh-columbus-john-glenn-columbus-international-airport/1ef266df-1458-66ea-b64c-06bb2780ed98)

- City: Columbus, United States
- ICAO: KCMH
- Timezone: America/New_York
- Coordinates: 40.000000, -82.890000
- Elevation: 815 ft

### [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

## 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 03:22 in Columbus, it's 15:22 in Shenzhen.
With a 12-hour time difference, expect significant jet lag.

## Related

- [John Glenn Columbus International Airport (CMH)](https://www.flightduration.online/airport/cmh-columbus-john-glenn-columbus-international-airport/1ef266df-1458-66ea-b64c-06bb2780ed98)
- [Shenzhen Bao'an International Airport (SZX)](https://www.flightduration.online/airport/szx-shenzhen-shenzhen-baoan-international-airport/1ef266e0-1ea0-675a-a1fd-06bb2780ed98)
- [Flight duration calculator](/#calculator)