# Distance from Seattle (SEA) to Ulaanbaatar (UBN)

> 8,422 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,422 km / 5,233 mi / 4,547 nm
- **Estimated flight time**: 11h
- **Heading**: 328° (north northwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Long-haul
- **Type**: International (United States) → Mongolia
- **Intercontinental**: North America → Asia
- **Time difference**: +15h (When it's 20:27 in Seattle, it's 11:27 in Ulaanbaatar)
- **Elevation difference**: 4,053 ft (UBN is higher than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)

- City: Ulaanbaatar, Mongolia
- ICAO: ZMCK
- Timezone: Asia/Ulaanbaatar
- Coordinates: 47.650000, 106.820000
- Elevation: 4,485 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 20:27 in Seattle, it's 11:27 in Ulaanbaatar.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Chinggis Khaan International Airport (UBN)](https://www.flightduration.online/airport/ubn-ulaanbaatar-chinggis-khaan-international-airport/1ef266e0-1f73-64e8-ba98-06bb2780ed98)
- [Flight duration calculator](/#calculator)