# Distance from Buenos Aires (AEP) to Ulan Bator (ULN)

> 18,094 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 18,094 km / 11,243 mi / 9,770 nm
- **Estimated flight time**: 22h
- **Heading**: 35° (northeast)
- **Return heading**: 315° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → Mongolia
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 22:44 in Buenos Aires, it's 09:44 in Ulan Bator)
- **Elevation difference**: 4,346 ft (ULN is higher than AEP)

## Airports

### [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)

- City: Buenos Aires, Argentina
- ICAO: SABE
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -34.560000, -58.420000
- Elevation: 18 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 22:44 in Buenos Aires, it's 09:44 in Ulan Bator.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Jorge Newbery Airpark (AEP)](https://www.flightduration.online/airport/aep-buenos-aires-jorge-newbery-airpark/1ef266df-90fd-6222-98d7-06bb2780ed98)
- [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)