# Distance from Mae Hong Son Airport (HGN) to St Louis (STL)

> 13,502 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,502 km / 8,390 mi / 7,290 nm
- **Estimated flight time**: 17h
- **Heading**: 8° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 00:56 in Mae Hong Son Airport, it's 12:56 in St Louis)
- **Elevation difference**: 312 ft (STL is lower than HGN)

## Airports

### [Mae Hong Son Airport (HGN)](https://www.flightduration.online/airport/hgn-mae-hong-son-airport/1ef266df-f529-65ca-b53a-06bb2780ed98)

- City: Mae Hong Son Airport, Thailand
- ICAO: VTCH
- Timezone: Asia/Bangkok
- Coordinates: 19.300000, 97.980000
- Elevation: 929 ft

### [St Louis Lambert International Airport (STL)](https://www.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

## 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 00:56 in Mae Hong Son Airport, it's 12:56 in St Louis.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Mae Hong Son Airport (HGN)](https://www.flightduration.online/airport/hgn-mae-hong-son-airport/1ef266df-f529-65ca-b53a-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)