# Distance from San Francisco (SFO) to Ulan Bator (ULN)

> 9,339 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,339 km / 5,803 mi / 5,043 nm
- **Estimated flight time**: 12h
- **Heading**: 329° (north northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mongolia
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 12:53 in San Francisco, it's 03:53 in Ulan Bator)
- **Elevation difference**: 4,351 ft (ULN is higher than SFO)

## Airports

### [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)

- City: San Francisco, United States
- ICAO: KSFO
- Timezone: America/Los_Angeles
- Coordinates: 37.620000, -122.380000
- Elevation: 13 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 12:53 in San Francisco, it's 03:53 in Ulan Bator.
With a 15-hour time difference, expect significant jet lag.

## Related

- [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-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)