# Distance from Choibalsan Airport (COQ) to Seattle (SEA)

> 8,049 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 8,049 km / 5,001 mi / 4,346 nm
- **Estimated flight time**: 10h
- **Heading**: 36° (northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Long-haul
- **Type**: International (Mongolia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 02:15 in Choibalsan Airport, it's 11:15 in Seattle)
- **Elevation difference**: 2,025 ft (SEA is lower than COQ)

## Airports

### [Choibalsan Airport (COQ)](https://www.flightduration.online/airport/coq-choibalsan-airport/1ef266e0-1f6e-6fec-8a82-06bb2780ed98)

- City: Choibalsan Airport, Mongolia
- ICAO: ZMCD
- Timezone: Asia/Ulaanbaatar
- Coordinates: 48.140000, 114.650000
- Elevation: 2,457 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 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 02:15 in Choibalsan Airport, it's 11:15 in Seattle.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Choibalsan Airport (COQ)](https://www.flightduration.online/airport/coq-choibalsan-airport/1ef266e0-1f6e-6fec-8a82-06bb2780ed98)
- [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)