# Distance from St Louis (STL) to Bulgan (UGA)

> 10,179 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,179 km / 6,325 mi / 5,496 nm
- **Estimated flight time**: 13h
- **Heading**: 351° (north)
- **Return heading**: 11° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mongolia
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 23:50 in St Louis, it's 12:50 in Bulgan)
- **Elevation difference**: 3,694 ft (UGA is higher 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

### [Bulgan Airport (UGA)](https://www.flightduration.online/airport/uga-bulgan-bulgan-airport/1ef266e0-1f5f-6376-b772-06bb2780ed98)

- City: Bulgan, Mongolia
- ICAO: ZMBN
- Timezone: Asia/Ulaanbaatar
- Coordinates: 48.850000, 103.480000
- Elevation: 4,311 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 23:50 in St Louis, it's 12:50 in Bulgan.
With a 13-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)
- [Bulgan Airport (UGA)](https://www.flightduration.online/airport/uga-bulgan-bulgan-airport/1ef266e0-1f5f-6376-b772-06bb2780ed98)
- [Flight duration calculator](/#calculator)