# Distance from San Diego (SAN) to Ulan Bator (ULN)

> 10,044 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,044 km / 6,241 mi / 5,423 nm
- **Estimated flight time**: 13h
- **Heading**: 332° (north northwest)
- **Return heading**: 36° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Mongolia
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 14:54 in San Diego, it's 05:54 in Ulan Bator)
- **Elevation difference**: 4,347 ft (ULN is higher than SAN)

## Airports

### [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)

- City: San Diego, United States
- ICAO: KSAN
- Timezone: America/Los_Angeles
- Coordinates: 32.730000, -117.190000
- Elevation: 17 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 14:54 in San Diego, it's 05:54 in Ulan Bator.
With a 15-hour time difference, expect significant jet lag.

## Related

- [San Diego International Airport (SAN)](https://www.flightduration.online/airport/san-san-diego-san-diego-international-airport/1ef266df-375a-6760-a0f3-06bb2780ed98)
- [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)