# Distance from Brasilia (BSB) to Ulan Bator (ULN)

> 15,773 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,773 km / 9,801 mi / 8,516 nm
- **Estimated flight time**: 20h
- **Heading**: 28° (north northeast)
- **Return heading**: 318° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Mongolia
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 21:22 in Brasilia, it's 08:22 in Ulan Bator)
- **Elevation difference**: 867 ft (ULN is higher than BSB)

## Airports

### [Presidente Juscelino Kubistschek International Airport (BSB)](https://www.flightduration.online/airport/bsb-brasilia-presidente-juscelino-kubistschek-international-airport/1ef266df-93eb-6808-bed4-06bb2780ed98)

- City: Brasilia, Brazil
- ICAO: SBBR
- Timezone: America/Sao_Paulo
- Coordinates: -15.870000, -47.920000
- Elevation: 3,497 ft

### [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)

- City: Ulan Bator, Mongolia
- ICAO: ZMUB
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.840000, 106.770000
- Elevation: 4,364 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 21:22 in Brasilia, it's 08:22 in Ulan Bator.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Presidente Juscelino Kubistschek International Airport (BSB)](https://www.flightduration.online/airport/bsb-brasilia-presidente-juscelino-kubistschek-international-airport/1ef266df-93eb-6808-bed4-06bb2780ed98)
- [Buyant-Ukhaa International Airport (ULN)](https://www.flightduration.online/airport/uln-ulan-bator-buyant-ukhaa-international-airport/1ef266e0-1f91-688a-a773-06bb2780ed98)
- [Flight duration calculator](/#calculator)