# Distance from St Louis (STL) to Ubon Ratchathani (UBP)

> 13,805 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,805 km / 8,578 mi / 7,454 nm
- **Estimated flight time**: 17h
- **Heading**: 342° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 10:32 in St Louis, it's 22:32 in Ubon Ratchathani)
- **Elevation difference**: 211 ft (UBP is lower than STL)

## Airports

### [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

### [Ubon Ratchathani Airport (UBP)](https://www.flightduration.online/airport/ubp-ubon-ratchathani-ubon-ratchathani-airport/1ef266df-f5e3-6664-8c13-06bb2780ed98)

- City: Ubon Ratchathani, Thailand
- ICAO: VTUU
- Timezone: Asia/Bangkok
- Coordinates: 15.250000, 104.870000
- Elevation: 406 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 10:32 in St Louis, it's 22:32 in Ubon Ratchathani.
With a 12-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Ubon Ratchathani Airport (UBP)](https://www.flightduration.online/airport/ubp-ubon-ratchathani-ubon-ratchathani-airport/1ef266df-f5e3-6664-8c13-06bb2780ed98)
- [Flight duration calculator](/#calculator)