# Distance from Atlanta (ATL) to Chiang Mai (CNX)

> 14,176 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,176 km / 8,809 mi / 7,655 nm
- **Estimated flight time**: 18h
- **Heading**: 356° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 20:44 in Atlanta, it's 07:44 in Chiang Mai)
- **Elevation difference**: 10 ft (CNX is higher than ATL)

## Airports

### [Hartsfield - Jackson Atlanta International Airport (ATL)](https://www.flightduration.online/airport/atl-atlanta-hartsfield-jackson-atlanta-international-airport/1ef266df-0f11-62ae-9978-06bb2780ed98)

- City: Atlanta, United States
- ICAO: KATL
- Timezone: America/New_York
- Coordinates: 33.640000, -84.430000
- Elevation: 1,026 ft

### [Chiang Mai International Airport (CNX)](https://www.flightduration.online/airport/cnx-chiang-mai-chiang-mai-international-airport/1ef266df-f525-689e-9326-06bb2780ed98)

- City: Chiang Mai, Thailand
- ICAO: VTCC
- Timezone: Asia/Bangkok
- Coordinates: 18.770000, 98.960000
- Elevation: 1,036 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 20:44 in Atlanta, it's 07:44 in Chiang Mai.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Hartsfield - Jackson Atlanta International Airport (ATL)](https://www.flightduration.online/airport/atl-atlanta-hartsfield-jackson-atlanta-international-airport/1ef266df-0f11-62ae-9978-06bb2780ed98)
- [Chiang Mai International Airport (CNX)](https://www.flightduration.online/airport/cnx-chiang-mai-chiang-mai-international-airport/1ef266df-f525-689e-9326-06bb2780ed98)
- [Flight duration calculator](/#calculator)