# Distance from Phetchabun Airport (PHY) to St Louis (STL)

> 13,735 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,735 km / 8,535 mi / 7,416 nm
- **Estimated flight time**: 17h
- **Heading**: 11° (north)
- **Return heading**: 347° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 11:37 in Phetchabun Airport, it's 23:37 in St Louis)
- **Elevation difference**: 167 ft (STL is higher than PHY)

## Airports

### [Phetchabun Airport (PHY)](https://flightduration.online/airport/phy-phetchabun-airport/1ef266df-f550-66ac-9ce1-06bb2780ed98)

- City: Phetchabun Airport, Thailand
- ICAO: VTPB
- Timezone: Asia/Bangkok
- Coordinates: 16.680000, 101.190000
- Elevation: 450 ft

### [St Louis Lambert International Airport (STL)](https://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 11:37 in Phetchabun Airport, it's 23:37 in St Louis.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Phetchabun Airport (PHY)](https://flightduration.online/airport/phy-phetchabun-airport/1ef266df-f550-66ac-9ce1-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)