# Distance from Bulgan Sum Airport (HBU) to Seattle (SEA)

> 9,102 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,102 km / 5,656 mi / 4,915 nm
- **Estimated flight time**: 12h
- **Heading**: 22° (north northeast)
- **Return heading**: 337° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Mongolia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -14h (When it's 11:14 in Bulgan Sum Airport, it's 21:14 in Seattle)
- **Elevation difference**: 3,489 ft (SEA is lower than HBU)

## Airports

### [Bulgan Sum Airport (HBU)](https://www.flightduration.online/airport/hbu-bulgan-sum-airport/1ef266e0-1f66-6fae-90dd-06bb2780ed98)

- City: Bulgan Sum Airport, Mongolia
- ICAO: ZMBS
- Timezone: Asia/Hovd
- Coordinates: 46.100000, 91.580000
- Elevation: 3,921 ft

### [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

## 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 11:14 in Bulgan Sum Airport, it's 21:14 in Seattle.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Bulgan Sum Airport (HBU)](https://www.flightduration.online/airport/hbu-bulgan-sum-airport/1ef266e0-1f66-6fae-90dd-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)